DeeDee Trotter of the U.S. gestures after her women's 400m semi-finals at the London 2012 Olympic Games...
DeeDee Trotter of the U.S. gestures after her women's 400m semi-finals at the London 2012 Olympic Games at the Olympic Stadium August 4, 2012. REUTERS/Lucy Nicholson (BRITAIN - Tags: OLYMPICS SPORT ATHLETICS)