Six-time Tour de France winner Lance Armstrong of Austin, Texas, right, wearing the overall leader's yellow jersey, looks at his girlfriend, singer Sheryl Crow, after the Discovery Channel cycling team won the fourth stage of the Tour de France cycling race, a 67.5-kilometer (41.95-mile) team time trial between Tours and Blois, western France, Tuesday, July 5, 2005. Armstrong took the lead from compatriot David Zabriskie on Tuesday. (AP Photo/Christophe Ena)
Seven-time Tour de France champion Lance Armstrong looks back on the podium after the 20th and last stage of the Tour de France cycling race in Paris on July 25, 2010. (AP Photo/Bas Czerwinski)
This July 1, 1999 file photo shows American cyclists Jonathan Vaughters, left, and Lance Armstrong sharing a light moment during medical checks for the Tour de France cycling race at Le Puy du Fou, western France. Vaughters testified that he saw Armstrong inject himself in the stomach in 1998 and that, "from that point on, while I was on the U.S. Postal Service team, Lance was open with me about his use of EPO." (AP Photo/Michel Spingler, File)
Lance Armstrong (center) of the United States, with his race pants ripped after a crash, rides in the pack during the second stage of the Tour de France cycling race over 125 miles, with a start in Brussels and finish in Spa, Belgium, on Monday July 5, 2010. (AP Photo/Christophe Ena)
Lance Armstrong dons controversial "28" kit before the Tour de France segment on Sunday, July 25, 2010. (Team RadioShack/Graham Watson).
Lance Armstrong of the United States leads the breakaway group of cyclists as they climb toward Tourmalet Pass during the 16th stage of the Tour de France cycling race over 124 miles, with a start in Bagneres-de-Luchon and finish in Pau in the Pyrenees region of France, on Tuesday, July 20, 2010. (AP Photo/Bas Czerwinski)
Seven-time Tour de France champion Lance Armstrong looks back on the podium after the 20th and last stage of the Tour de France cycling race in Paris on July 25, 2010. (AP Photo/Bas Czerwinski)
US cyclist Levi Leipheimer jokes prior to the start of the Tour de France cycling race in France, July 15, 2004. Eleven teammates of Lance Armstrong on the U.S. Postal Service Cycling Team including Leipheimer have turned on him offering evidence and testimony to back up allegations that Armstrong used performance-enhancing drugs in competition, the USADA said. The U.S. Anti-Doping Agency released a damning report last week containing testimony from former teammates and other witnesses against Armstrong, and has ordered that he be stripped of his seven Tour de France titles. The international cycling federation is yet to indicate its next move. (AP Photo/Peter Dejong)
FILE - In this July 1, 2004 file photo, cyclist Tyler Hamilton, of the United States, speaks prior to training with his teammates in Liege, Belgium. Hamilton's tell-all book about Lance Armstrong and doping in cycling will be released two weeks earlier than originally planned. "The Secret Race: Inside the Hidden World of the Tour de France: Doping, Cover-ups, and Winning at All Costs," is now scheduled for release Sept. 5. (AP Photo/Peter Dejong, File)
