DeeDee Trotter of the U.S. holds her national flag after her team won the women's 4x400m relay final...
DeeDee Trotter of the U.S. holds her national flag after her team won the women's 4x400m relay final at the London 2012 Olympic Games at the Olympic Stadium August 11, 2012. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: OLYMPICS SPORT ATHLETICS)