London Olympics Athletics Men

Jason Richardson clears a hurdle during a preliminary heat on Tuesday. (AP Photo/Lee Jin-man)

Jason Richardson clears a hurdle during a preliminary heat on Tuesday. (AP Photo/Lee Jin-man)

United States’ Jason Richardson clears a hurdle in a men’s 110-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Lee Jin-man)