It's a feud that's been simmering for seven years _ or, if you leaf through the history books, since at least the Middle Ages.
Charlotte Dujardin of Britain won the individual dressage gold medal Thursday on Valegro, scoring 90.089 percent in the deciding grand prix musical freestyle which featured Olympic theme music and chimes from Big Ben.
Steve Futterman, CBS News correspondent
U.S. middleweight Claressa Shields won the Olympic gold medal Thursday, capping her swift rise to the top of women's boxing with a 19-12 victory over Russia's Nadezda Torlopova.
A great day for sunbathers turned out to be a rotten day for Olympic sailing.
It has been a great games for gay Olympians _ probably.
Katie Taylor of Ireland won the first lightweight gold medal in Olympic women's boxing, edging rival Sofya Ochigava of Russia 10-8 Thursday in front of a raucous, mostly Irish crowd.
No sweet music for Brittany Viola. The daughter of former major league baseball pitcher Frank Viola missed out on the 10-meter platform diving final at the London Olympics.
Flyweight Nicola Adams of Britain won the first Olympic gold medal in women's boxing, stunning world champion Ren Cancan of China in a 16-7 victory Thursday.
No surprise, there's a Russian in the lead in rhythmic gymnastics.
Diana Matheson scored in injury time Thursday to give Canada the Olympic bronze medal in women's soccer with a 1-0 victory over France.
For Brazil, the Olympic soccer final means a chance to end decades of frustration. For Neymar, it's just another match.
The Belgian Olympic Committee says it has told cyclist Gijs van Hoecke to leave the Olympics after photos appeared of him looking drunk and unable to walk while leaving a London nightclub.
Here are five things to look out for at the London Olympics on Thursday:
Particularly with the nuances of a complicated sport like sailing, what's the point of background research?
Jessica Roux of South Africa has dropped out of the women's 10-kilometer open water swim on the fourth of six laps.
They stood together, arms locked, Olympic gold medals around their necks and _ for just a moment _ between their teeth.
The IOC has opened an investigation into the Italian race walker expelled from the London Games for doping and could retest the 2008 gold medalist's samples from Beijing.
London Olympics organizing chief Sebastian Coe acknowledges that a medals ceremony for 100-meter hurdles winner Sally Pearson was delayed, meaning she got her gold in an emptying stadium.
Katie Ledecky describes her Olympic experience as a whirlwind that has yet to sink in.