Britain's David Greene looks dejected after competing in the men's 400m hurdles semifinals at the athletics event of the London 2012 Olympic Games on August 4, 2012 in London. AFP PHOTO / GABRIEL ... more 
Britain's David Greene looks dejected after competing in the men's 400m hurdles semifinals at the athletics event of the London 2012 Olympic Games on August 4, 2012 in London. AFP PHOTO / GABRIEL BOUYSGABRIEL BOUYS/AFP/GettyImages less 
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Getty Images | Photo By GABRIEL BOUYS / AFP/Getty Images
Sat, Aug 4, 2012 3:48 PM EDT