Lance Armstrong

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FILE - This April 1, 2012 file photo shows seven-time Tour de France champion Lance Armstrong grimacing during a news conference after the Memorial Hermann Ironman 70.3 Texas triathlon in Galveston, Texas. U.S. Anti-Doping Agency CEO Travis Tygart the man who brought down Lance Armstrong, said Thursday March 20, 2014 that time is running out for cycling to confront its culture of doping and clean up the sport once and for all. (AP Photo/Houston Chronicle, Michael Paulsen, File ) MANDATORY CREDIT

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FILE - In this July 6, 2005 file photo, overall leader Lance Armstrong reacts on the podium after the fifth stage of the Tour de France cycling race between Chambord, western France, and Montargis, south of Paris. Armstrong is still fighting a Texas company that wants to recoup about $12 million in bonuses he was paid for winning the Tour de France while secretly using performance-enhancing drugs. (AP Photo/Christophe Ena, File)

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** FILE ** In this Feb. 15, 2011, file photo, Lance Armstrong pauses during an interview in Austin, Texas. (AP Photo/Thao Nguyen, File)

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FILE - In a Sept. 30, 2000 file photo, U.S. cyclist Lance Armstrong waves after receiving the bronze medal in the men's individual time trials at the 2000 Summer Olympics cycling road course in Sydney, Australia. Officials familiar with the decision tell The Associated Press the IOC has stripped Armstrong of his bronze medal from the 2000 Sydney Olympics because of his involvement in doping. Two officials say the IOC sent a letter to Armstrong on Wednesday night, Jan. 16, 2013, asking him to return the medal. (AP Photo/Ricardo Mazalan, File)