2012 Summer Olympics

Germany's Bjorn Otto competes to win bronze in the men's pole vault final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/David J. Phillip)

United States' Morgan Uceny reacts after falling during the women's 1500-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012.(AP Photo/Anja Niedringhaus)

South Africa's Oscar Pistorius runs in the final leg of the men's 4 x 400-meter relay final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Anja Niedringhaus)

Argentina's Sofia Maccari, right, is defended by the Netherlands' Maartje Paumen during a women's field hockey gold medal match at the 2012 Summer Olympics, in London, Friday, Aug. 10, 2012. The Netherlands won the match. (AP Photo/Jae C. Hong)

Spain's Nicolas Garcia Hemme fights Argentina's Sebastian Eduardo Crismanich (in red) during the gold medal match in men's 80-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ng Han Guan)

Ethiopia's Meseret Defar celebrates winning gold in the women's 5000-meter final as she crosses the finish line during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Lee Jin-man)

Nicholas Mccrory of the United States dives during the men's 10-meter platform diving preliminaries at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 10, 2012. (AP Photo/Mark J. Terrill)

Gleb Galperin of Russia dives during the men's 10- meter platform diving preliminaries at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 10, 2012. (AP Photo/Mark J. Terrill)

United States' Justin Gatlin leads the field in a heat of the mens 4x100-meter relay during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Daniel Ochoa De Olza)

Argentina's Sebastian Eduardo Crismanich, left, reacts after defeating Spain's Nicolas Garcia Hemme in the gold medal match in men's 80-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ng Han Guan)

Argentina's forward Andres Nocioni, left, and Luis Scola, center, challenge United States' Tyson Chandler during a men's semifinal basketball game at the 2012 Summer Olympics on Friday, Aug. 10, 2012, in London. (AP Photo/Mark Ralston, Pool)

Kazakhstan's Ivan Dychko, left, fights Great Britain's Anthony Joshua, during their men's super heavyweight over 91-kg semifinal boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ivan Sekretarev)

In this photo taken with a fisheye lens, fans leave Olympic Stadium after an athletics event at the 2012 Summer Olympics Friday, Aug. 10, 2012, in London. (AP Photo/Charlie Riedel)

United States' guard Chris Paul, left, and Anthony Davis, right, challenge Argentina's forward Facundo Campazzo, center, as he jumps to score during a men's semifinal basketball game at the 2012 Summer Olympics on Friday, Aug. 10, 2012, in London. (AP Photo/Mark Ralston, Pool)

South Korea's head coach Hong Myung-bo is hoisted up by his players after the team won their men's soccer bronze medal match against Japan in Cardiff, Wales, at the 2012 London Summer Olympics, Friday, Aug. 10, 2012. (AP Photo/Luca Bruno)

Anna Espar Llaquet, right, of Spain, fall back as she attempts to pass forward under pressure Lauren Wenger of the United States from during their women's water polo gold medal match at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Alastair Grant)

Annika Dries, left, No 11, and Tumua Anae of the United States hug family and friends after they defeated Spain in their women's water polo gold medal match at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Alastair Grant)

Japan players acknowledge the crowd after winning the silver medal after losing to the United States in the women's soccer final at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Lefteris Pitarakis)

United States goalkeeper Hope Solo dives for the ball during the women's soccer gold medal match at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Julie Jacobson)

United States goalkeeper Hope Solo (1) makes a save against Japan during the women's soccer gold medal match at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Ben Curtis)

Japan's Yukari Kinga and United States' Tobin Heath battle for the ball during the women's soccer gold medal match at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Julie Jacobson)

United States goalkeeper Hope Solo celebrates after winning a gold medal match against Japan at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. he U.S. women's football team won its third straight Olympic gold medal Thursday, beating Japan 2-1 in a rematch of last year's World Cup final and avenging the most painful loss in its history. (AP Photo/Julie Jacobson)

United States' Rachel Buehler and Japan's Homare Sawa fight for control of the ball during the women's soccer gold medal match at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Julie Jacobson)

Fans of the United States wait for the start of the gold medal match between the United States and Japan at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. The U.S. women's football team won its third straight Olympic gold medal Thursday, beating Japan 2-1 in a rematch of last year's World Cup final and avenging the most painful loss in its history.(AP Photo/Kirsty Wigglesworth)

United States' Abby Wambach celebrates winning the gold medal in their women's soccer final against Japan at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Ben Curtis)

Belgium's Judith Vandermeiren, down, and United States' Julia Reinprecht battle for the ball in a women's field hockey classification match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Belgium won, 2-1. (AP Photo/Mike Groll)

Belgium's Emilie Sinia, right, moves the ball past United States' Lauren Crandall in a women's field hockey classification match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Belgium won, 2-1. (AP Photo/Mike Groll)

Vietnam's Hoang Dieu Linh Chu fights Germany's Helena Fromm (in red) during their match in women's 67-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ng Han Guan)

Armenia's Arman Yeremyan fights Canada's Sebastien Michaud (in red) during their match in men's 80-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ng Han Guan)

Gold medalist, Katie Taylor from Ireland, participates in the a medals ceremony for women's lightweight 60-kg boxing at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Ivan Sekretarev)

Netherlands player Billy Baker, right, celebrates scoring a goal against Britain in the men's field hockey semifinal match at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Eranga Jayawardena)

Bronze medalist Pandelela Rinong Pamg from Malaysia competes during the women's 10-meter platform diving final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 9, 2012. (AP Photo/Michael Sohn)

Bronze medalist Maider Unda of Spain shows her medal after the victory ceremony for the 72-kg women's freestyle wrestling competition at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Paul Sancya)

Spain's Marta Mangue Gonzalez, center, scores during the women's handball semifinal match against Montenegro at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Matthias Schrader)

An unidentified runner holds the baton waiting for the start of the women's 4x100-meter relay during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Thursday, Aug. 9, 2012. (AP Photo/Lee Jin-man)

From left, silver medalist Sofya Ochigava of Russia, gold medalist Katie Taylor of Ireland, bronze medalist Mavzuna Chorieva of Tajikistan, and bronze medalist Adriana Araujo of Brazil participate in the medals ceremony for women's lightweight 60-kg boxing at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London.(AP Photo/Ivan Sekretarev)

South Africa's Oscar Pistorius reacts after fellow team members crashed out of a men's 4x400-meter relay heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Thursday, Aug. 9, 2012. (AP Photo/Matt Dunham)

Dominican Republic's Felix Sanchez waits for the baton during a men's 4x400-meter relay heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Thursday, Aug. 9, 2012. (AP Photo/Matt Dunham)

France's Marlene Harnois' hair flies as she fights Chile's Yeny Contreras Loyola in women's 57-kg taekwondo competition at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Ng Han Guan)

From left, Venezuela's Jose Melendez, Russia's Pavel Trenikhin, Dominican Republic's Luguelin Santos, Australia's John Steffensen and Japan's Hiroyuki Nakano wait for the batons in a men's 4x400-meter relay heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Thursday, Aug. 9, 2012. (AP Photo/Matt Dunham)

United States' Bryshon Nellum and Bahamas' Chris Brown cross the finish line in their 4 X 400-meter relay heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Thursday, Aug. 9, 2012. (AP Photo/Anja Niedringhaus)

Japan's Keisuke Ushiro takes a throw in the discus throw decathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Thursday, Aug. 9, 2012. (AP Photo/David J. Phillip)

Meaghan Benfeito from Canada competes during the women's 10-meter platform diving semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 9, 2012. (AP Photo/Michael Sohn)

Brittany Broben from Australia competes during the women's 10-meter platform diving semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 9, 2012. (AP Photo/Michael Sohn)

Teams prepare for the first baton change during a heat of the men's 4 X 400-meter relay during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Thursday, Aug. 9, 2012. (AP Photo/Martin Meissner)

Hungary's Katalin Kovacs and Natasa Douchev-Janics paddle on their way to winning the silver medal women's kayak double 500m in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Thursday, Aug. 9, 2012. Boats from China, center, and New Zealand also raced. (AP Photo/Chris Carlson)

United States' Kerri Walsh Jennings, right, and Misty May-Treanor, left, listen to anthem during a podium ceremony after winning the women's gold medal beach volleyball match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Petr David Josek)

Misty May Treanor reacts after she and teammate Kerri Walsh Jennings beat April Ross and Jennifer Kessy during the women's Gold Medal beach volleyball match between two United States teams at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Dave Martin)

United States’ April Ross misses the ball during a women's gold medal beach volleyball match against United States’ Kerri Walsh Jennings and Misty May-Treanor at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. Kerri Walsh Jennings and Misty May-Treanor won the match. (AP Photo/Jae C. Hong)

Kerri Walsh Jennings, rear, hugs Misty May Treanor following a win over Jennifer Kessy and April Ross during the women's Gold Medal beach volleyball match between the two United States teams at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Dave Martin)

Judge Rolando Pedreguera uses sunglasses and his hand to block the lights during the women's 10-meter platform diving semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 9, 2012. (AP Photo/Michael Sohn)

Spain's Carolina Rodriguez performs during the rhythmic gymnastics individual all-around qualifications at at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Gregory Bull)

Senegal's Bineta Diedhiou fights Finland's Suvi Mikkonen (in red) during their match in women's 57-kg taekwondo competition at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Ng Han Guan)

United States' Trey Hardee takes a throw in the discus throw decathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Thursday, Aug. 9, 2012. (AP Photo/David J. Phillip)

Britain's Francesca Jones performs during the rhythmic gymnastics individual all-around qualifications at at the 2012 Summer Olympics, Thursday, Aug. 9, 2012, in London. (AP Photo/Gregory Bull)

United States' Allyson Felix celebrates her win in the women's 200-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012.(AP Photo/Matt Slocum)

United States' Allyson Felix celebrates her win in the women's 200-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012.(AP Photo/Anja Niedringhaus)

Australia's Sally Pearson, center, poses for photographers after receiving her gold medal with silver medalist United States' Dawn Harper, left, and bronze medalist compatriot Kellie Wells for the women's 100-meter hurdles during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Ben Curtis)

United States' Jason Richardson sits on the track after he won silver in the men's 110-meter hurdles final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/David J. Phillip)

United States' Aries Merritt celebrates winning gold in the men's 110-meter hurdles final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/David J. Phillip)

/tg9, left, and teammate Max Gunthor react during a men's quarterfinal volleyball match between Germany and Bulgaria, at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Andrew Medichini)

Germany's Max Gunthor, right, spikes the ball past Bulgaria's Nikolay Nikolov during a men's quarterfinal volleyball match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Jeff Roberson)

Bulgaria's Todor Skrimov (7, right) spikes the ball past Germany defenders Max Gunthor (15) and Gyorgy Grozer (9) during a men's volleyball quarterfinal match at the 2012 Summer Olympics Wednesday, Aug. 8, 2012, in London. (AP Photo/Chris O'Meara)

United States' T'erea Brown waves before the start of the women's 400-meter hurdles final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Matt Slocum)

Jamaica's Yohan Blake races in a men's 200-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Matt Slocum)

United States' Georganne Moline, right, hugs teammate United States' T'erea Brown after the women's 400-meter hurdles final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Matt Slocum)

United States' Dawn Harper, left, celebrates winning silver with bronze medallist Kellie Wells of the United States following the women's 100- meter hurdles final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/David J. Phillip)

The image provided by Omega shows the photo finish of the women's 100-meter hurdles final at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. Australia's Sally Person, right, won the race ahead of silver medal winner Dawn Harper, 2nd right, of the U.S. and bronze medalist Kellie Wells from the U.S., third right. The time stamps at the bottom shows that Pearson finished in 12.48 seconds. (AP Photo/Omega)

In this photo taken Tuesday, Aug. 7, 2012, United States' LoLo Jones, right, crosses the finish line to place fourth in the women's 100-meter hurdles final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London. (AP Photo/David J. Phillip)

Russia's Gulfiya Khanafeyeva takes a throw in a women's hammer throw qualification round during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Matt Dunham)

Spain's Igor Bychkov competes in a men's pole vault qualification round during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Lee Jin-man)

France's Renaud Lavillenie clears the bar in a men's pole vault qualification round during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Lee Jin-man)

Britain's Daniel Awde reacts after competing in a 100-meter decathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Daniel Ochoa De Olza)

Palestinian athlete Woroud Sawalha starts in a women's 800-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Anja Niedringhaus)

Saudi Arabia's Sarah Attar competes in a women's 800-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Daniel Ochoa De Olza)

United States' Trey Hardee takes a shot in a shot put decathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/David J. Phillip)

United States' Ashton Eaton takes a throw in the shot put decathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/David J. Phillip)

Kazakhstan's Dmitriy Karpov takes a throw in the shot put decathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/David J. Phillip )

Portugal's Fernando Pimenta, left, and Emanuel Silva celebrate after finishing second in the men's kayak double 1000m in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012. (AP Photo/Armando Franca)

United States' Ashton Eaton reacts after his throw in the shot put in the decathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/David J. Phillip)

Goalkeeper Inaki Aguilar Vicente, left, of Spain defends against Drasko Brguljan of Montenegro during a men's quarterfinal water polo match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. Brguljan scored on the play. (AP Photo/Julio Cortez)

Russia's Alexey Denisenko fights Costa Rica's Heiner Oviedo (in red) during their match in men's 58-kg taekwondo competition at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Ng Han Guan)

Anastasija Grigorjeva of Latvia top, and Elena Pirozhkova of the United States take a moment to recover during their 63-kg women's freestyle wrestling match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Paul Sancya)

Hungary's Szabolcs Zubai reacts after his team defeated Iceland during their men's handball quarterfinal match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Vadim Ghirda)

Mladan Janovic of Montenegro reacts after scoring a goal against Spain during a men's quarterfinal water polo match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Julio Cortez)

Brazil's Wallace de Souza (4) flies over the photographers bench attempting to save a shot against Argentina during a men's volleyball quarterfinal match at the 2012 Summer Olympics Wednesday, Aug. 8, 2012, in London. (AP Photo/Chris O'Meara)

Ireland's Katie Taylor, right, fights Tajikistan's Mavzuna Chorieva during their lightweight 60-kg semifinal boxing match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Ivan Sekretarev)

Hungary's Mate Lekai, left, scores a last moment equalizer that took the game to extra time against Iceland in a men's handball quarterfinal at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Vadim Ghirda)

Lubov Volosova of Russia, top, and Katerina Vidiaux Lopez of Cuba compete in 63-kg women's freestyle wrestling at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Paul Sancya)

Richard Fellers, of the United States, rides his horse Flexible during the equestrian individual show jumping competition at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/David Goldman)

Nick Skelton, of Great Britain, rides Big Star, during the equestrian individual show jumping competition at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/David Goldman)

Nathan Outteridge and Iain Jensen of Australia celebrate their gold medal as they cross the finish line during the 49er men sailing race at the London 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in Weymouth and Portland, England. (AP Photo/Francois Mori)

Brazil's Wallace de Souza, left, spikes the ball past Argentina's Rodrigo Quiroga during a men's quarterfinal volleyball match between Argentina and Brazil, at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Andrew Medichini)

Carol Huynh of Canada, top, and Vanesa Kaladzinskaya of Belarus compete during, 48-kg women's freestyle wrestling at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Paul Sancya)

Spectators make their way home past the Olympic Stadium in the rain at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Alastair Grant)

FILE - In this Aug. 22, 2008 file photo, Britain's Shanaze Reade lays on the track after crashing during the cycling BMX women's race, at the Beijing 2008 Olympics in Beijing. Reade has learned a lot from the crash that ended her quest for an Olympic gold medal in the final corner of the BMX course in Beijing four years ago. The British rider has world titles and European titles, but says that it's an Olympic title that keeps her motivated. She'll get another chance this week, when BMX racing kicks off in London. (AP Photo/Ricardo Mazalan, File)

Members of France's women's basketball team celebrate during a quarterfinal women's basketball game against the Czech Republic at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Eric Gay)

France's Mariama Signate kneels on the ground after losing the women's handball quarterfinal match against Montenegro at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Matthias Schrader)

France's Edwige Lawson-Wade, center left, jumps into the arms of teammate France's Celine Dumerc, center right, as they celebrate their win over the Czech Republic during a quarterfinal women's basketball game at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Eric Gay)

Brazil's Larissa Franca serves a ball during the semifinal women's beach volleyball match against USA at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Petr David Josek)

British players argue with South African umpire John Wright, right, over a ruling during their preliminary round men's hockey match with Spain at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Eranga Jayawardena)

France's Edwige Lawson-Wade, left, leaps into the arms of Celine Dumerc after beating the Czech Republic during a women's basketball game at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Charles Krupa)

Tourists take in the view of central London from atop the North Greenwich Arena during a guided climb after the end of the artistic gymnastics apparatus finals at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. The quarterfinals thru finals for basketball will be played at the arena, more commonly known to Londoners as the O2 Arena. (AP Photo/Julie Jacobson)

James Hill of London takes in the view as he walks atop the roof of the North Greenwhich Arena during a guided climb after the end of the artistic gymnastics apparatus finals at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. The quarterfinals thru finals for basketball will be played at the arena, more commonly known to Londoners as the O2 Arena. (AP Photo/Julie Jacobson)

South Korea's Ji Dong-won, left, avoids a tackle by Brazil's Oscar, right, during the men's semifinal soccer match between South Korea and Brazil in the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, at Old Trafford stadium in Manchester, England. (AP Photo/Ben Curtis)

US April Ross sets a ball during the semifinal women's beach volleyball match against Brazil at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Petr David Josek)

Poland's Zofia Noceti-Klepacka celebrates after winning the rs:x women bronze medal at the London 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in Weymouth and Portland, England. (AP Photo/Bernat Armangue)

Andrey Zamkovoy of Russia, left, and Errol Spence of the United States, fight in a welterweight 69- kg quarterfinal boxing match at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Patrick Semansky)

France's guard Emilie Gomis, left, and center Sandrine Gruda fight for the ball with the Czech Republic's center Petra Kulichova, right, during a women's quarter final basketball game at the 2012 Summer Olympics on Tuesday, Aug. 7, 2012, in London. (AP Photo/Mark Ralston, Pool)

France's players celebrate their victory against the Czech Republic following a women's quarterfinal basketball game at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Lefteris Pitarakis)

Germany's Jonas Reckermann, right, spikes a ball past Netherlands' Richard Schuil, left, during their semifinal men's beach volleyball match at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Petr David Josek)

Germany's Oliver Korn (18) and New Zealand's Hugo Inglis battle for possession of the ball during a men's hockey preliminary match at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Bullit Marquez)

China's Liu Xiang, second left, falls as Hungary's Balazs Baji, Poland's Artur Noga and Barbados' Shane Brathwaite and and Senegal's Moussa Dembele react during a men's 110-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Daniel Ochoa De Olza)

Alexandre Despatie of Canada dives during the men's 3-meter springboard diving semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, Aug. 7, 2012. (AP Photo/Mark J. Terrill)

He Chong from China competes during the men's 3- meter springboard diving semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, Aug. 7, 2012. (AP Photo/Michael Sohn)

Denmark's Henriette Hansen reacts after finishing second in a women's kayak single 500m semifinal in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012. (AP Photo/Chris Carlson)

Jamaica's Usain Bolt competes in a men's 200-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Matt Dunham)

Italy's Fabrizio Donato competes in a men's triple jump qualification round during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Matt Slocum)

India's Renjith Maheshwary takes a jump in the men's triple jump qualification round during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Matt Slocum)

Spain's Javier Gomez dives into the water for the start of the men's triathlon at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Charlie Riedel)

Troy Dumais from the US competes during the men's 3-meter springboard diving semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, Aug. 7, 2012. (AP Photo/Michael Sohn)

Brazil's goalkeeper Chana Masson cries after her team lost to Norway in a women's handball quarterfinal match at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Vadim Ghirda)

Jamaica's Usain Bolt competes in a men's 200-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Matt Slocum)

Alexandre Despatie of Canada dives during the men's 3-meter springboard diving semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, Aug. 7, 2012. (AP Photo/Mark J. Terrill)

In this combination of three photos, China's Liu Xiang, second left, falls during a men's 110-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. Competing with Liu are from left to right: Poland's Artur Noga, Hungary's Balazs Baji, and Barbados' Shane Brathwaite. (AP Photo/Daniel Ochoa De Olza)

Jan Ebeling, of the United States, rides his horse Rafalca in the equestrian dressage competition at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. Rafalca is co-owned by Ann Romney, the wife of U.S. Republican presidential candidate Mitt Romney. (AP Photo/David Goldman)

Jan Ebeling, of the United States, blows a kiss to the crowd after competing in the equestrian dressage competition with his horse Rafalca at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. Rafalca is co-owned by Ann Romney, the wife of U.S. Republican presidential candidate Mitt Romney. (AP Photo/David Goldman)

In this combination of four photos, Jamaica's Usain Bolt makes various gestures before competing in a men's 200-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Matt Slocum)

United States' Will Claye competes in the men's triple jump qualification round during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/David J. Phillip)

Singapore's Li Jiawei waits for the serve from South Korea's Seok Ha-jung in a women's team table tennis bronze medal match at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Sergei Grits)

Ethiopia's Meseret Defar, left, embraces compatriot Ethiopia's Tirunesh Dibaba after competing in a women's 5000-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Anja Niedringhaus)

Athletes compete in heat 2 of the men's 110-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Daniel Ochoa De Olza)

Germany's Stephan Feck competes in the preliminary round of the men's 3m springboard at the 2012 Summer Olympics on Monday, Aug. 6, 2012, in London. (AP Photo/Tony Marshall, PA)UNITED KINGDOM OUT NO SALES NO ARCHIVE

South Korea's Kim Jonghyun reacts after shooting during the men's 50-meter rifle 3 positions final at the 2012 Summer Olympics, Monday, Aug. 6, 2012, in London. Kim won silver in the event.(AP Photo/Rebecca Blackwell)

United States of America's Matthew Emmons awaits the start of the men's 50-meter rifle 3 positions final at the 2012 Summer Olympics, Monday, Aug. 6, 2012, in London. Emmons won bronze in the event.(AP Photo/Rebecca Blackwell)

Argentina's Marcos Mata, left, and United States' center Anthony Davis go to the basket during their men's preliminary round basketball match at the 2012 Summer Olympics on Monday, Aug. 6, 2012, in London. (AP Photo/Mark Ralston, Pool)

South Korea's Kim Jonghyun holds up his silver medal, during the victory ceremony for the men's 50-meter rifle 3 positions event, at the 2012 Summer Olympics, Monday, Aug. 6, 2012, in London. (AP Photo/Rebecca Blackwell)

Brazil's Emanuel dives for a ball during the quarterfinal men's beach volleyball match against Poland at the 2012 Summer Olympics, Monday, Aug. 6, 2012, in London. (AP Photo/Petr David Josek)

US Jake Gibb dives for a ball during the quarterfinal men's beach volleyball match against Latvia at the 2012 Summer Olympics, Monday, Aug. 6, 2012, in London. (AP Photo/Petr David Josek)

Germany's Jonas Reckermann, left, tries to block Brazil's Pedro Cunha, right, during their quarterfinal men's beach volleyball match at the 2012 Summer Olympics, Monday, Aug. 6, 2012, in London. (AP Photo/Petr David Josek)

Italy's Daniele Lupo, right, and Paolo Nicolai , left, react during their quarterfinal men's beach volleyball match against Netherlands at the 2012 Summer Olympics, Monday, Aug. 6, 2012, in London. (AP Photo/Petr David Josek)

United States of America's Matthew Emmons, right, is congratulated by an American coach, following his silver medal win in the men's 50-meter rifle 3 positions final at the 2012 Summer Olympics, Monday, Aug. 6, 2012, in London. (AP Photo/Rebecca Blackwell)

United States' Lolo Jones competes in a women's 100-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Monday, Aug. 6, 2012.(AP Photo/Martin Meissner)

Russia's Evgeny Voronov leaps and blocks a shot by Australia's Joe Ingles during a men's basketball game at the 2012 Summer Olympics, Monday, Aug. 6, 2012, in London. (AP Photo/Charles Krupa)

United States' Dawn Harper competes in a women's 100-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Monday, Aug. 6, 2012. (AP Photo/Martin Meissner)

Australia's Sally Pearson competes in a women's 100-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Monday, Aug. 6, 2012. (AP Photo/Anja Niedringhaus)

Competitors paddle past the Olympic rings in a men's kayak double 1000 heat in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Monday, Aug. 6, 2012. (AP Photo/Chris Carlson)

Frano Vican of Croatia makes a save on a shot by Kazakhstan during a preliminary men's water polo match at the 2012 Summer Olympics, Monday, Aug. 6, 2012, in London. (AP Photo/Julio Cortez)

USA's Lolo Jones leads Canada's Phylicia George in their heat during round 1 of the women's 100-meter hurdles during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Monday, Aug. 6, 2012. (AP Photo/Morry Gash)

Poland's Piotr Malachowski competes in a men's discus throw qualification round during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Monday, Aug. 6, 2012. (AP Photo/Matt Dunham)

Jamaica's Brigitte Foster-Hylton is consoled by Australia's Sally Pearson after competing in a women's 100-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Monday, Aug. 6, 2012.(AP Photo/Martin Meissner)

US' Kerri Walsh Jennings dives for a ball during the quarterfinal women's beach volleyball match against Italy at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Petr David Josek)

Runners pass by the Olympics flame on the first day of the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Daniel Ochoa De Olza)

Jennifer Kessy of US reacts during the quarterfinal women's beach volleyball match against Czech Republic at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Petr David Josek)

Tennis fan Kate Martin wears Union Flag face paint as she watches the men's singles bronze medal match at the All England Lawn Tennis Club at Wimbledon, in London, at the 2012 Summer Olympics, Sunday, Aug. 5, 2012. (AP Photo/Mark Humphrey)

Jamaica's Usain Bolt reacts after winning the men's 100-meter during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Matt Slocum)

Jamaica's Usain Bolt crosses the finish line to win gold in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip )

Jamaica's Usain Bolt celebrates after crossing the finish line to win gold in the men's 100-meter final during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Lee Jin-man)

Jamaica's Usain Bolt celebrates winning gold in the men's 100-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip)

Kenya's Ezekiel Kemboi reacts to his win in the men's 300-meter steeplechase during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Anja Niedringhaus)

USA's Sanya Richards-Ross waves an American flag after winning a gold medal in the women's 400-meter during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Matt Slocum)

Japan's Koji Murofushi competes in the men's hammer throw final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Matt Dunham)

United States' Destinee Hooker saves the ball during a women's preliminary volleyball match against Turkey at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Jeff Roberson)

Women's 100-meter medalists from left, United States' Carmelita Jeter, silver, Jamaica's Shelly-Ann Fraser-Pryce, gold, and Jamaica's Veronica Campbell-Brown, pose for photographers during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Luca Bruno)

55-kg Greco-Roman wrestling medal winners, from left, silver medalist Azerbajian's Rovshan Bayramov, gold medalist Iran's Hamid Mohammed Soryan Reihanpour, bronze medalist Hungary's Peter Modos and bronze medalist Russia's Mingiyan Semenov stand on the podium at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Paul Sancya)

USA's Maya Moore (7) and Miao Lijie, right, reach for a loose ball during a preliminary women's basketball game at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Eric Gay)

In this photo taken with a fisheye lens, Russia's Victoria Valyukevich competes in the women's triple jump final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip)

United States' basketball player Kobe Bryant attends an evening session of athletics finals and semifinals in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Luca Bruno)

South Africa's Oscar Pistorius runs in one of the men's 400-meter semifinal races during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Lee Jin-man)

Christina Loukas from the US competes during the women's 3-meter springboard diving final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, Aug. 5, 2012. (AP Photo/Michael Sohn)

An official holds a starter pistol before a men's 400-meter semifinal during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Sergey Ponomarev)

South Africa's Oscar Pistorius starts in the men's 400-meter semifinal during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Anja Niedringhaus)

Goalkeeper Robyn Nicholls of Britain makes a save on a shot by Spain during their women's water polo quarterfinal match at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Julio Cortez)

Kazakhstan's Olga Rypakova competes to win gold in the women's triple jump final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip)

Wu Minxia of China dives during women's 3-meter springboard diving finals at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, Aug. 5, 2012. Wu won the gold medal in the event. (AP Photo/Mark J. Terrill)

Britain's Yamile Aldama reacts during the women's triple jump final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip )

Mike Bryan and Lisa Raymond of the United States celebrate their bronze medals in mixed doubles at the All England Lawn Tennis Club in Wimbledon, London at the 2012 Summer Olympics, Sunday, Aug. 5, 2012. (AP Photo/Elise Amendola)

United States' Sanya Richards-Ross celebrates winning gold in the women's 400-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip)

South Africa's Oscar Pistorius prepares to run in his men's 400-meter semifinal during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/Anja Niedringhaus)

India's Raghunath Vr, center, celebrates his goal against Germany with team mates in the men's hockey preliminary round match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Eranga Jayawardena)

Juan Martin del Potro of Argentina reacts as he loses the second-set tiebreaker during his match against Roger Federer of Switzerland at the All England Lawn Tennis Club in Wimbledon, London at the 2012 Summer Olympics, Friday, Aug. 3, 2012. (AP Photo/Elise Amendola)

Japan's Yuhei Tokunaga sits in the dugout at Manchester United's Old Trafford Stadium the day before the team's quarter-final soccer match against Egypt at during the London 2012 Summer Olympics, Friday, Aug 3, 2012 in Manchester, England. (AP Photo/Jon Super)

New Zealand' Mahe Drysdale celebrates after winning the gold medal for the men's rowing single sculls in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Friday, Aug. 3, 2012. (AP Photo/Emilio Morenatti)

Aliaksandr Buikevich of Belarus, left, and Nicolas Limbach of Germany, compete during a classification 5-8 match at men's team saber fencing at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Ivan Sekretarev)

Great Britain's Anna Watkins displays the gold medal she won in the women's rowing double sculls in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Friday, Aug. 3, 2012. (AP Photo/Chris Carlson)

Swimmers take the start of the men's 4 x 100-meter relay heats during the swimming event at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Martin Bureau, Pool)

Roger Federer of Switzerland puts on a fresh shirt during a change-over in his match against Juan Martin del Potro of Argentina at the All England Lawn Tennis Club in Wimbledon, London at the 2012 Summer Olympics, Friday, Aug. 3, 2012. (AP Photo/Elise Amendola)

United States' Hyleas Fountain reacts in the High Jump of the women's Heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/David J. Phillip )

Algeria's Samir Brahimi reacts after losing to Russia's Misha Aloian in a men's flyweight 52-kg preliminary boxing match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Ng Han Guan)

New Zealand' s Mahe Drysdale, top, rows on his way to winning the gold medal in the men's rowing single sculls in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Friday, Aug. 3, 2012. Czech Republic's Ondrej Synek, who finished second, rows at bottom. (AP Photo/Chris Carlson)

Britain's Jessica Ennis smiles after an attempt in the High Jump of the women's Heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Anja Niedringhaus)

Madias Dodo Nzesso Ngake of Cameroon competes during the women's 75-kg, group B, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Andrew Medichini)

Lim Jihye of South Korea competes during the women's 75-kg, group B, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Hassan Ammar)

Lim Jihye of South Korea competes during the women's 75-kg, group B, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Andrew Medichini)

Japan players including head coach Takashi Sekizuka, bottom left, take to the pitch at Old Trafford Stadium in Manchester the day before the team's quarter-final soccer match against Egypt during the London 2012 Summer Olympics, Friday, Aug 3, 2012 in Manchester, England. (AP Photo/Jon Super)

Britain's Jessica Ennis smiles after clearing the bar in the High Jump of the women's Heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/David J. Phillip )

Competitors prepare for the final of the men's 50- meter rifle prone, at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Rebecca Blackwell)

Martins Plavins of Latvia digs out a ball during a two set win over Norway during a beach volleyball match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)

Kenya's Brimin Kiprop Kipruto, Morocco's Brahim Taleb, Australia's Youcef Abdi and Uganda's Jacob Araptany, from left, compete in a men's 3000-meter steeplechase heat at the 2012 Summer Olympics in London Friday, Aug. 3, 2012. (AP Photo/Ben Curtis)

Lebron James (6) of the United States shoots against Nigeria during a men's basketball preliminary round match at the 2012 Summer Olympics on Thursday, Aug. 2, 2012, in London. (AP Photo/Christian Petersen, Pool)

South Africa's Chad le Clos, right, touches in the men's 100-meter butterfly swimming semifinal in the men's 100-meter butterfly semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Mark J. Terrill)

A dancer performs during halftime of a men's basketball game between Britain and Spain at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Charlie Riedel)

India's Vijender reacts after defeating United States' Terrell Gausha in a men's middle weight 75-kg boxing match at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Ivan Sekretarev)

United States’ Jennifer Kessy, center, reacts as Spain’s Liliana Fernandez and Elsa Baquerizo miss the ball during a beach volleyball match at the 2012 Summer Olympics, London, Thursday, Aug. 2, 2012. (AP Photo/Jae C. Hong)

Andreas Nilsson of Sweden, center, Alexander Petersson (15) and Asgeir Hallgrimsson (6) of Iceland challenge during their men's handball preliminary match at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Matthias Schrader)

Olympic rings is projected onto the Houses of Parliament during the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Petr David Josek)

Japan' Ryota Murata, left, reacts after defeating Algeria's Abdelmalek Rahou in a men's middle weight 75-kg boxing match at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Ivan Sekretarev)

USA's Kobe Bryant, left, defends Nigeria's Derrick Obasohan, right, during a preliminary men's basketball game at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Eric Gay)

Britain's Jason Haldane misses the ball during a men's preliminary volleyball match against Italy at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Jeff Roberson)

Germany's Steffen Diebler, left, and Michael Phelps of the United States compete in the men's 100m butterfly semi-final at the 2012 Summer Olympics on Thursday, Aug. 2, 2012, at the Aquatics Centre in London. (AP Photo/Adam Pretty, Pool)

USA's Anthony Davis (14) scores against Nigeria during a preliminary men's basketball game at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Eric Gay)

Argentina's players celebrate their goal against New Zealand, during a women's hockey preliminary round match, at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Lefteris Pitarakis)

United States' Tyson Chandler, right, tries to block a pass by Nigeria's Ejike Ugboaja during a men's basketball game at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Charlie Riedel)

United States' Missy Franklin, right, starts in her women's 200-meter backstroke swimming semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Daniel Ochoa De Olza)

Italy's gold medalists Elisa Di Francisca, left to right, Arianna Errigo, Valentina Vezzali and Ilaria Salvatori celebrate after defeating Russia in the gold medal match at women's team foil fencing at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Patrick Semansky)

Yassine Rahmouni, of Morocco, waves the Moroccan flag as he rides his horse Floresco, out of the arena following the equestrian dressage competition at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/David Goldman)

Fans cheer as Britain faces Spain during a men's basketball game at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Charles Krupa)

Oman's Ahmed Al Hatmi waits to shoot during qualifiers for the men's double trap event, at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Rebecca Blackwell)

United States' Ryan Lochte gestures after receiving his silver medal for the men's 200-meter individual medley swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Mark J. Terrill)

United States' Michael Phelps competes in the men's 200-meter individual medley swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Matt Slocum)

Joel Freeland (11) of Britain shoots against Pau Gasol (4) of Spain in the second half of their men's basketball preliminary round match at the 2012 Summer Olympics on Thursday, Aug. 2, 2012, in London. (AP Photo/Christian Petersen,Pool)

Czech Republic’s Premysl Kubala looks on after missing a shot during a beach volleyball match against United States’ Todd Rogers and Phil Dalhausser at the 2012 Summer Olympics, London, Thursday, Aug. 2, 2012. (AP Photo/Jae C. Hong)

Iraq's Mohanad Ahmed Dheyya al-Azzawi starts in a men's 100-meter butterfly swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Matt Slocum)

Marleen Van Iersel of the Netherlands plays the ball during a beach volleyball match against Argentina at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Dave Martin)

United States' Michael Phelps prepares to compete in a men's 100-meter butterfly swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Matt Slocum)

South Africa's Chad le Clos starts in a men's 100- meter butterfly swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Matt Slocum)

Jevgenijs Borodavko of Latvia competes against Dimitri Peters of Germany (in white) during the men's 100-kg judo competition at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Ng Han Guan)

Akari Ogata of Japan competes against Marhinde Verkerk of the Netherlands (in blue) during the women's 78-kg judo competition at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Paul Sancya)

Gemma Gibbons of Great Britain celebrates her win over Lkhamdegd Purevjargal of Mongolia during the women's 78-kg judo competition at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Paul Sancya)

United States' Missy Franklin competes in a women's 200-meter backstroke swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Daniel Ochoa De Olza)

A fan with British flags watches the competition at the rowing venue in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Thursday, Aug. 2, 2012. (AP Photo/Chris Carlson)

Malaysia's Koo Kien Keat, left, returns the shuttlecock with a shot between his legs as he plays with teammate Tan Boon Heong against Bodin Isara and Maneepong Jongjit, of Thailand, in a men's doubles badminton quarterfinal match at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Andres Leighton)

South Korea's Lee Sung-jin shoots during the individual archery competition at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Marcio Jose Sanchez)

Missy Franklin of the United States, right, and Meagen Nay of Australia start in the women's 200- meter backstroke swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Mark J. Terrill)

Didier Dinart of France, left, and Aymen Toumi of Tunesia challenge during their men's handball preliminary match at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Matthias Schrader)

Chuang Chih-yuan of Taiwan, serves against Wang Hao of China, during the men's table tennis singles competition at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Sergei Grits)

Denmark's Carsten Mogensen, right, and Mathias Boe react after beating Fang Chieh-min and Lee Sheng- mu, of Taiwan, in a men's doubles badminton quarterfinal match at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Andres Leighton)

USA's Nicole Ross reacts during a quarterfinals match against South Korea's Jeon Hee-sook at women's team foil fencing at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Dmitry Lovetsky)

China's Yi Jianlian tries to tap a rebound against Australia's Matt Nielsen during a men's basketball game at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Charles Krupa)

United States of America's Joshua Richmond holds his gun, marked with a U.S. Army sticker, during qualifiers for the men's double trap event, at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Rebecca Blackwell)

Alexey Shmider, front, of Kazakhstan and Konstantinos Kokkinakis of Greece chase the ball during a preliminary men's water polo match at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. Greece won 11-4. (AP Photo/Julio Cortez)

Rustam Ukumanov, left, of Kazakhstan scores a goal on Filippos Karampetsos of Greece during a preliminary men's water polo match at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. Greece won 11-4. (AP Photo/Julio Cortez)

Japan's Kyomi Hirata faces Russia's Kamilla Gafurzianova during a quarterfinals match at women's team foil fencing at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Dmitry Lovetsky)

United States' Heather Mitts, center, trains during soccer practice for the 2012 London Summer Olympics at Cochrane Park in Newcastle, England, on Thursday, Aug. 2, 2012. The United States will face New Zealand in the women's quarter final soccer match on Friday. (AP Photo/Scott Heppell)

Australia's Joe Ingles hangs on the rim on a slam dunk against China during a men's basketball game at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Charles Krupa)

Missy Franklin center, starts in the women's 200- meter backstroke at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Lee Jin- man)

Ann Romney, center, the wife of U.S. Republican presidential candidate Mitt Romney applauses after her co-owned horse Rafalca attends in the equestrian dressage competition, at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Markus Schreiber)

Germany's Jenny Mensing competes in a women's 200- meter backstroke swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Daniel Ochoa De Olza)

Poland's Konrad Czerniak starts in a men's 100- meter butterfly swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/David J. Phillip)

France's Tony Parker drives to the basket against Lithuania during a men's basketball game at the 2012 Summer Olympics Thursday, Aug. 2, 2012, in London. (AP Photo/Mark Ralston, Pool)

Denmark's Carina Christiansen shoots during the individual archery competition at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Marcio Jose Sanchez)

New Zealand's Joseph Sullivan and Nathan Cohen compete to win gold for the men's rowing double sculls in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Thursday, Aug. 2, 2012. (AP Photo/Damien Meyer, Pool)

United States' Ryan Lochte competes in a men's 200-meter individual medley at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012. (AP Photo/Michael Sohn)

Venezuela's Ruben Limardo Gascon, left, competes against Switzerland's Max Heinzer during the men's individual epee fencing competition at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.(AP Photo/Dmitry Lovetsky)

United States' Ryan Lochte reacts after competing in a men's 200-meter individual medley at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012. (AP Photo/Matt Slocum)

Italy's Niccolo Mornati kisses teammate Lorenzo Carboncini after finishing second in a men's rowing pair semifinal Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012. (AP Photo/Armando Franca)

Great Britain's Heather Stanning, left, and Helen Glover stroke during the women's rowing pair final in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012. The pair won the gold medal. (AP Photo/Natacha Pisarenko)

Tiago Camilo of Brazil, left, and Dilshod Choriev of Uzbekistan compete during the men's 90-kg judo competition at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP Photo/Paul Sancya)

China's Li Dan plays against Indonesia's Taufik Hidayat in a men's singles badminton match at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP Photo/Andres Leighton)

Britain's James Goddard starts in a men's 200- meter individual medley at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012. (AP Photo/Lee Jin-man)

The hooves of Opgun Louvo, ridden by Sandra Auffarth, of Germany, clear a jump during the equestrian eventing individual show jumping at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. Auffarth won the bronze medal in the event. (AP Photo/David Goldman)

Won Jeongsik of South Korea competes during the men's 69-kg weightlifting competition at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Mike Groll)

Jennifer Kessy returns a shot during a beach volleyball match against the Netherlands at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Dave Martin)

US fans cheer for their team during the Beach Volleyball match between USA and Netherlands at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP Photo/Petr David Josek)

Sanne Keizer from Netherlands reacts during the Beach Volleyball match against USA at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP Photo/Petr David Josek)

An unidentified boy waves an American flag during a beach volleyball match between the United State and the Netherlands at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP Photo/Dave Martin)

Tunisia's center Salah Mejri, left, vies for the ball with the United States' guard Russell Westbrook during their men's preliminary round group A basketball match at the 2012 Summer Olympics on Tuesday, July 31, 2012, in London. (AP Photo/Mark Ralston, Pool)

Australia's Alicia Coutts, left, China's Ye Shiwen, center, and the United States' Caitlin Leverenz pose with their medals for the women's 200-meter individual medley swimming final pose at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, July 31, 2012. Ye won gold, Coutts silver and Leverenz bronze. (AP Photo/Michael Sohn)

United States' Michael Phelps reacts after receiving his gold medal for the men's 4x200-meter freestyle relay swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, July 31, 2012. (AP Photo/Matt Slocum)

Argentina's coach Eduardo Gabriel Gallardo reacts during the men's handball preliminary match against France at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Matthias Schrader)

Jo-Wilfried Tsonga of France kneels on the court after missing a return against Milos Raonic of Canada at the All England Lawn Tennis Club at Wimbledon, in London, at the 2012 Summer Olympics, Tuesday, July 31, 2012. Tsonga won the match 6-3, 3-6, 25-23. The third set was the longest set in Olympic history. (AP Photo/Mark Humphrey)

Morocco's Abdelhak Aatakni, left, fights Mauritius' Richarno Colin during a light welterweight 64-kg preliminary boxing match at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Patrick Semansky)

United States' Michael Phelps reacts after winning gold in the men's 4x200-meter freestyle relay swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, July 31, 2012. (AP Photo/Matt Slocum)

Tunisia's Marouan Kechrid, right, tries to steal the ball from USA's Kobe Bryant during a men's basketball game at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Charles Krupa)

The United States' Michelle Vittese leaps high as she battles for control of the ball against Argentina's Josefina Sruoga during their women's hockey preliminary match at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. The Unites States won 1-0. (AP Photo/Bullit Marquez)

Phil Dalhausser of the United States dives for the ball during a beach volleyball match against Spain at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. At left is Spain's Pablo Herrera. At right is Todd Rogers. (AP Photo/Dave Martin)

The United States' Shannon Taylor (11) is congratulated by teammates after scoring the lone goal against Argentina during their women's hockey preliminary match at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. The Unites States won 1-0. (AP Photo/Bullit Marquez)

Tunisia's Mehdi Hafsi, left, puts his hand up in the face of USA's Kobe Bryant during a men's basketball game at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Charles Krupa)

From left, China's Jiang Haiqi,China's Hao Yun, China's Sun Yang, and China's Li Yunqi pose with their bronze medals for the men's 4x200-meter freestyle relay swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, July 31, 2012. (AP Photo/Matt Slocum)

The United States' Shannon Taylor, right, is embraced by teammates after scoring the lone goal against Argentina during their women's hockey preliminary match at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. The U.S. won 1-0. (AP Photo/Bullit Marquez)

Debbie Phelps, mother of United States swimmer Michael Phelps, and her daughter Hilary smile after Phelps' team won the gold medal un the men's 4 x 200-meter freestyle relay at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, July 31, 2012. (AP Photo/Lee Jin-man)

Australia's James Magnussen prepares to compete in the men's 100-meter freestyle swimming semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, July 31, 2012. (AP Photo/Daniel Ochoa De Olza)

China's Ye Shiwen holds her gold medal up after winning the women's 200-meter individual medley swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, July 31, 2012. (AP Photo/Daniel Ochoa De Olza)

The United States' women's hockey team stand at attention as the U.S. national anthem is played prior to the start of the preliminary between the U.S. and Argentina at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. The United States won 1-0. (AP Photo/Bullit Marquez)

China's Ye Shiwen reacts after winning gold in the women's 200-meter individual medley swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, July 31, 2012. (AP Photo/Matt Slocum)

United States' Scott Weltz competes in a men's 200-meter breaststroke semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, July 31, 2012. (AP Photo/Matt Slocum)

Paolo Nicolai of Italy sets the ball during a beach volleyball match against Austria at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Dave Martin)

Australia's Emily Seebhom embraces her mother, Karen, top, after her silver medal win in the women's 200-meter freestyle swimming semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Lee Jin-man)

The Netherlands' Valentin Verga (26) jumps on top of his teammates, including Roderick Weusthof, shortly after scoring a goal in the men's hockey preliminary match against India at the 2012 Summer Olympics, Monday, July 30, 2012, in London. The Netherlands won 3-2. (AP Photo/Bullit Marquez)

France's Camille Lacourt, left, United States' Matthew Grevers, center, and Britain's Liam Tancock start in the men's 100-meter backstroke swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Mark J. Terrill)

Japan's Aya Terakawa reacts after receiving her bronze medal for the women's 100-meter backstroke swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Mark J. Terrill)

United States' Matthew Grevers, right, and France's Camille Lacourt start in the men's 100-meter backstroke swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Mark Duncan)

Malaysia's Lee Chong Wei, right, talks to Finland's Ville Lang after a hard fought men's singles badminton match of the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Saurabh Das)

United States' Missy Franklin, left, and Italy's Federica Pellegrini react after competing in the women's 200-meter freestyle swimming semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Lee Jin-man)

Iran's Ehsan Rouzbahani waves as he leaves the ring after defeating Colombia's Jeysson Monroy Varela in a light heavyweight 81-kg preliminary boxing match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Patrick Semansky)

U.S. gymnast Jacob Dalton performs on the rings during the Artistic Gymnastic men's team final at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Julie Jacobson)

Natalie Cook of Australia get the crowd to react in the first set of a game against Austria during a beach volleyball match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Dave Martin)

United States' guard Diana Taurasi, center, vies for the ball with Angola's forward Sonia Guadalupe, right, and Angola's center Luisa Tomas, left, during their women's preliminary round group A basketball match at the 2012 Summer Olympics on Monday, July 30, 2012, in London. (AP Photo/Mark Ralston, Pool)

Germany's Enrico Kolling makes his way to the ring before a men's light heavyweight 81-kg boxing match against Cameroon's Christian Donfack Adjoufack at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Ivan Sekretarev)

Fans cheer during the Beach Volleyball women match between USA and Czech Republic at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Petr David Josek)

Germany's Moritz Fuerste, center, tries to score against Belgium in their men's hockey preliminary match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. At left is Belgium's John-John Dohmen and teammate Thomas Briels at righ. Germany won 2-1. (AP Photo/Bullit Marquez)

Kerri Walsh of the United States thanks fans following a beach volleyball match against the Czech Republic at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Dave Martin)

Britain's Jennifer Taylor (6) and teammate Lynne Beattie hug after their team defeated Algeria in a women's preliminary volleyball match at the 2012 Summer Olympics, just after midnight Tuesday , July 31, 2012, in London. (AP Photo/Jeff Roberson)

Pakistan's Waseem Ahmad, second left, and Spain's David Alegre vie for the ball during their men's field hockey preliminary-round match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Eranga Jayawardena)

Dana Kerstein wears glasses with the Olympic rings as she attends the archery competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Marcio Jose Sanchez)

North Korea's Pak Jong Chol, right, competes with Brazil's Juliao Henriques Neto during a flyweight 52-kg preliminary boxing match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Patrick Semansky)

Goalkeeper Laura Ester Ramos of Spain makes a save on a shot by China in a preliminary women's water polo match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Julio Cortez)

South African players stand at attention as their country's national anthem is played prior to a men's field hockey preliminary match against Australia at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Bullit Marquez)

Corina Caprioriu of Romania, left, and Marti Malloy of the United States, compete during the women's 57-kg judo competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Paul Sancya)

Australia's Matthew Butturini (8) and South Africa's Andrew Cronje battle for the ball during the men's hockey preliminary match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. Australia won 6-0. (AP Photo/Bullit Marquez)

Nicholas Delpopolo of the United States, left, and Nyam Ochir Sainjargal of Mongolia compete during the men's 73-kg judo competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Paul Sancya)

Takayuki Yumira of Japan rides Latina as he competes in the equestrian eventing cross country phase at Greenwich Park, at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Markus Schreiber)

Samatha Albert, of Jamaica, rides her horse Carraig Dubh as she competes in the equestrian eventing cross-country stage at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Charlie Riedel)

Botswana's Oteng Oteng reacts after losing to Puerto Rico's Jeyvier Cintron Ocasio in a flyweight 52-kg preliminary boxing match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Patrick Semansky)

Xue Chen of China digs out a ball during a win over Switzerland during a beach volleyball match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Dave Martin)

United States' Michael Phelps competes in a men's 200-meter butterfly swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Lee Jin-man)

Germany's Imke Duplitzer, right, faces Venezuela's Maria Martinez in a women's individual epee fencing round of 64 at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Andrew Medichini)

United States' Michael Phelps reacts after competing in a men's 200-meter butterfly swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Daniel Ochoa De Olza)

Manuel Minginfel off Micronesia competes during the mens 62-kg weightlifting competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Mike Groll)

Ahmed Saad of Egypt competes during the mens 62-kg weightlifting competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Mike Groll)

Joo Saehyuk of South Korea competes against Kim Hyok Bong of North Korea during their men's table tennis match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Sergei Grits)

Spain's Mireia Garcia Belmonte looks at her time after competing in a women's 200-meter individual medley swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Mark J. Terrill)

Great Britain's Andrew Triggs, right, Hodge, Tom James, Pete Reed and Alex Gregory stroke to win a men's rowing four heat in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Monday, July 30, 2012. (AP Photo/Chris Carlson)

United States' Michael Phelps, left, starts in a men's 200-meter butterfly swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/David J. Phillip, Pool)

Italy's Federica Pellegrini competes in a women's 200-meter freestyle swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Lee Jin-man)

Britain's Corinna Lawrence participates in a women's individual epee fencing round of 64 against Chile's Caterin Bravo Aranguiz at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Andrew Medichini)

Italy's Niccolo Campriani shoots during qualifiers for the men's 10-meter air rifle event at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Rebecca Blackwell)

China's Zhang Xian (7) leaps into the air after the team defeated Turkey 3-1 during a women's volleyball preliminary match at the 2012 Summer Olympics Monday, July 30, 2012, in London. (AP Photo/Chris O'Meara)

United States' Michael Phelps reacts after competing in a men's 200-meter butterfly swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Daniel Ochoa De Olza)

Christopher Voelk of Germany, left, competes with Nyam Ochir Sainjargal of Mongolia during the men's 73-kg judo competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Paul Sancya)

China's Wang Yihan plays against Canada's Michele Li at a women's singles match of the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Saurabh Das)

Turkey's Naz Aydemir (11) takes a tumble as teammate Neslihan Darnel (17) saves the ball during a women's volleyball preliminary match against China at the 2012 Summer Olympics Monday, July 30, 2012, in London. (AP Photo/Chris O'Meara)

Joanna Parker of Great Britain competes against Kristin Silbereisen of Germany during their second round table tennis match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Sergei Grits)

Ariel Hsing of the United States serves to Ni Xia Lian of Luxembourg during the second round of women's table tennis at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Sergei Grits)

U.S. gymnast Gabrielle Douglas performs on the uneven bars during the Artistic Gymnastics women's qualification at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Gregory Bull)

United States' Alexandra Raisman competes on the balance beam during the artistic gymnastics women's team qualification at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Anthony Devlin, PA)

United States' Michael Phelps competes in the men's 400-meter individual medley swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Saturday, July 28, 2012. (AP Photo/Matt Slocum)

United States' Michael Phelps reacts after placing fourth in the men's 400-meter individual medley swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Saturday, July 28, 2012. (AP Photo/Mark J. Terrill)

United States' Michael Phelps reacts after placing fourth in the men's 400-meter individual medley swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Saturday, July 28, 2012. (AP Photo/David J. Phillip)

United States of America's Kimberley Rhode celebrates after winning the gold medal in the women's skeet, at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Rebecca Blackwell)

United States of America's Kimberley Rhode shoots in the women's skeet final at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. Rhode won gold in the event. (AP Photo/Rebecca Blackwell)

United States' Lebron James looks back at the bench during the first half of a preliminary men's basketball game against France at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. The U.S. men beat France 98-71. (AP Photo/Jae C. Hong)

USA's coach Michael Krzyzewski talks to his team during the first half of a preliminary men's basketball game against France at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Jae C. Hong)

France's Tony Parker is stripped of the basketball by USA's James Harden, right, during the first half of a preliminary men's basketball game at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Eric Gay)

The Olympic cauldron burns following the opening ceremonies to the 2012 Summer Olympics in London on Saturday, July 28, 2012. (AP Photo/The Canadian Press, Sean Kilpatrick)

Fireworks illuminate the sky over Olympic Stadium during Opening Ceremonies at the 2012 Summer Olympics, Saturday, July 28, 2012, in London. (AP Photo/Mark J. Terrill)

Fireworks explode over the Olympic stadium during the opening ceremonies of the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Mark J. Terrill)

Queen Elizabeth II, left, makes a speech at the Opening Ceremony for the 2012 Summer Olympic Games, Friday, July 27, 2012, in London. (AP Photo/John Stillwell, Pool)

A spectator poses for a photo under the Olympic rings inside of the Olympic Park at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Darron Cummings)

Performers gesture towards the Olympic rings as they are elevated from the stadium floor during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Jae C. Hong)

The Olympic rings are illuminated during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Slocum)

The Olympic rings light up the stadium during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Morry Gash, Pool)

Players from the U.S. women's Olympic soccer team celebrate their third goal against France. (Graham Stuart/AFP)

France's Tony Estanguet practices during a canoe slalom training session July 26. (Olivier Morin/AFP)

Australian gymnast Lauren Mitchell is pictured in midair during a training session July 26. (Thomas Coex/AFP)

South Korea's men's track cyclists race during a training session July 26. (Carl de Souza/AFP)

Tower Bridge is adorned with the Olympic rings for the London Games. (Fabrice Coffrini/AFP)

2012 Summer Olympics

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