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Olympic runner Kara Goucher speaks out about coach's alleged sexual assault | Nightline

12:06

Doping in sport: why it can't be stopped

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Putin's Reign Of Terror: How A Lowly KGB Agent Took Over Russia | The New Tsar | Timeline

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The True Dangers Of Doping

1:58:44

Nike’s DIRTY SECRET: Olympian Kara Goucher on Doping, Abuse & Deception | Rich Roll Podcast

8:34

Yuliya Stepanova: The athlete who blew the whistle on Russian doping - BBC Newsnight

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The Biggest Doping Scandal In Olympic History

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Tyler Hamilton | The Truth About Doping in Cycling | Full Talk and Q&A