PHOTOS: American athletes stamp their authority on Day 12

American athletes dominated the track and field events on Day 12 of the London Games on Wednesday winning three of the four gold medals on offer. The other gold went to Russia.Natalya Antyukh of......

Russian heptathlete Chernova ruled out of world championships

Russian heptathlete Tatyana Chernova will not be able to defend her world title next month in Moscow because of injury.Chernova was the highest profile name missing on Tuesday from the team......