London Olympics Athletics Men

Wallace Spearmon starts during his 200-meter heat. (David J. Phillip/Associated Press)

Wallace Spearmon starts during his 200-meter heat. (David J. Phillip/Associated Press)

United States’ Wallace Spearmon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/David J. Phillip )