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The U.S. Anti-Doping Agency has filed charges against cyclist Lance Armstrong, alleging that he had used performance enhancing drugs. If found to be true, the seven-time Tour de France winner could lose some or all of his titles and face a lifetime ban from the race. USADA says that it has blood-test results and teammate testimonies to prove their case. Armstrong will have 10 days to contest the charges, which his attorney calls “wrong” and “baseless.”