U.S. women win 4x400 to give Felix 3rd Olympic gold
London Olympics Athletics Women
United States' Deedee Trotter and United States' Allyson Felix do a handoff to take the lead in the women's 4 x 400-meter relay during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 11, 2012. (AP Photo/Daniel Ochoa De Olza)




