In this Feb. 12, 2012 file photo, Lance Armstrong competes in the Ironman Panama 70.3. triathlon in Panama City, Panama. Armstrong is asking a federal court to block the latest doping charges against him. The seven-time Tour de France winner filed a lawsuit in Austin, Texas, on Monday, July 9, 2012. Through his attorneys, he argues the U.S. Anti-Doping Agency violates the constitutional rights of athletes when it brings charges against them, and that USADA should not be allowed to pursue charges Armstrong used performance-enhancing drugs during his career. (AP Photo/Arnulfo Franco, File)
Read the article: Lance Armstrong sues to block doping charges
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