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FILE - In this July 17, 2009, file phot, seven-time Tour de France winner Lance Armstrong reacts as he answers questions of reporters prior to the start of the 13th stage of the Tour de France cycling race over 200 kilometers (124.3 miles) with start in Vittel and finish in Colmar, central France. (AP Photo/Bas Czerwinski, File)

Feds won't charge Armstrong with doping

Federal prosecutors closed their investigation of Lance Armstrong without charging him over allegations he used performance-enhancing drugs Feb. 3, ending a nearly two-year effort aimed at examining whether a doping program was created to keep the seven-time Tour de France winner and his teammates running at the head of the pack.