FILE - In this is an April 21, 2008 file photo, Tyler Hamilton looks on during the Tour de Georgia cycling race in Tybee Island, Ga. Hamilton, a former teammate of Lance Armstrong, has told CBS News ... more 
FILE - In this is an April 21, 2008 file photo, Tyler Hamilton looks on during the Tour de Georgia cycling race in Tybee Island, Ga. Hamilton, a former teammate of Lance Armstrong, has told CBS News that he used performance-enhancing drugs with the seven-time Tour de France winner to cheat in cycling races, including the tour. Armstrong has steadfastly denied doping and has never failed a drug test. less 
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Associated Press | Photo By Stephen Morton, File
Thu, May 19, 2011 7:27 PM EDT