Britain's Jack Green, right, knocks a gate as he and USA's Bershawn Jackson, left, compete in a heat of the Men's 400m heat at the World Athletics Championships in Daegu, South Korea, Monday, Aug. 29,... more 
Britain's Jack Green, right, knocks a gate as he and USA's Bershawn Jackson, left, compete in a heat of the Men's 400m heat at the World Athletics Championships in Daegu, South Korea, Monday, Aug. 29, 2011. (AP Photo/Anja Niedringhaus) less 
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Associated Press | Photo By Anja Niedringhaus
Sun, Aug 28, 2011 11:16 PM EDT