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usain bolt rio davies dnt world sport_00005201

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    Bolt ditches junk-food for historic Rio 'triple-triple'

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Bolt ditches junk-food for historic Rio 'triple-triple'

Usain Bolt might be struggling to regularly hit the heights he reached at the London Olympics, but this has not dented the world's fastest man's confidence. CNN's Amanda Davies reports.

Bolt ditches junk-food for historic Rio 'triple-triple'

Usain Bolt might be struggling to regularly hit the heights he reached at the London Olympics, but this has not dented the world's fastest man's confidence. CNN's Amanda Davies reports.