Disgraced sprinter now fights doping

Canadian sprinter Ben Johnson sets a world record in the 100 metres final at the 1988 Summer Olympics in Seoul, 24th September 1988. (Photo by Tony Duffy/Getty Images)
Canadian sprinter Ben Johnson sets a world record in the 100 metres final at the 1988 Summer Olympics in Seoul, 24th September 1988. (Photo by Tony Duffy/Getty Images)

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    Disgraced sprinter now fights doping

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Disgraced gold medal sprinter Ben Johnson made news by announcing that he is working to end doping in sports.