Armstrong declines to defend himself in doping case

Associated Press
FILE - In this Feb. 12, 2012, file photo, Lance Armstrong competes in the Ironman Panama 70.3. triathlon in Panama City, Panama. The U.S. Anti-Doping Agency is bringing doping charges against the seven-time Tour de France winner, questioning how he achieved those famous cycling victories.  Armstrong, who retired from cycling last year, could face a lifetime ban from the sport if he is found to have used performance-enhancing drugs. He maintained his innocence, saying:

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Seven-time Tour de France winner Lance Armstrong decided not to formally challenge sweeping doping allegations from the U.S. Anti-Doping Agency.

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