Lance Armstrong's Most Humbling Moment

Lance Armstrong says the fallout began in October 2012, shortly after the U.S. Anti-Doping Agency stripped him of his Tour de France wins. He lost sponsorships worth tens of millions of dollars from corporations like Nike and Anheuser-Busch. Then, Lance says, came the lowest moment. Watch as he tells Oprah why stepping away from his foundation, Livestrong, was the hardest.

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