Doping Armstrong Cycling

June 1, 2011 - 6:58 PM
FILE - This Feb. 15, 2011, file photo shows Lance Armstrong during an interview in Austin, Tx. Attorneys for Armstrong have demanded an on-air apology from "60 Minutes" after the head of Switzerland's anti-doping laboratory denied allegations the seven-time Tour de France winner tested positive for performance-enhancing drugs at the 2001 Tour de Suisse. (AP Photo/Thao Nguyen, File)