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Jamaica's Usain Bolt celebrates after taking the gold in the men's 200m final at the athletics event during the London 2012 Olympic Games on August 9, 2012 in London.  AFP PHOTO / ERIC FEFERBERG        (Photo credit should read ERIC FEFERBERG/AFP/GettyImages)
Jamaica's Usain Bolt celebrates after taking the gold in the men's 200m final at the athletics event during the London 2012 Olympic Games on August 9, 2012 in London.  AFP PHOTO / ERIC FEFERBERG        (Photo credit should read ERIC FEFERBERG/AFP/GettyImages)

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Athletics must prepare for life without Usain Bolt

CNN's Amanda Davies discusses Usain Bolt's legacy with Olympic gold medalists Edwin Moses, Steve Redgrave, Nadia Comaneci and Daley Thompson.

Athletics must prepare for life without Usain Bolt

CNN's Amanda Davies discusses Usain Bolt's legacy with Olympic gold medalists Edwin Moses, Steve Redgrave, Nadia Comaneci and Daley Thompson.