Revelations that WADA cleared 23 Chinese swimmers for the Tokyo Olympics despite the group testing positive to a banned substance has the sporting world reeling. How were they contaminated? Why did WADA clear them? How did it impact the Tokyo games and how might it colour the Paris Olympics? Tom Decent guides us through a complex story and explains how Aussie swimmers are reacting to the news. Featured: Tom Decent, journalist, Sydney Morning Herald.
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