Jamaica's Usain Bolt listens during a press conference in London, Thursday July 25, 2013. The Jamaican sprinter will compete in the 100 meters and the 4x100 relay at the two-day meeting on July 26-27,... more 
Jamaica's Usain Bolt listens during a press conference in London, Thursday July 25, 2013. The Jamaican sprinter will compete in the 100 meters and the 4x100 relay at the two-day meeting on July 26-27, which marks the anniversary of the opening ceremony of the London Olympics. (AP Photo/PA, Sean Dempsey) UNITED KINGDOM OUT NO SALES NO ARCHIVE less 
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Associated Press | Photo By PA, Sean Dempsey
Thu, Jul 25, 2013 10:35 AM EDT