Usain Bolt: Can the Jamaican sprint star find the fast lane again?

With less than two months until the World Championships in Beijing, two-time Olympic 100m and 200m champion Usain Bolt is injured and off his game.
He says he WILL defend his 100 and 200 metres titles but the 200 metres Olympic silver medalist from Sydney, Ato Boldon says Bolt should NOT go to the Worlds if he's not fully fit.
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