Lance Armstrong, front, talks to reporters after his second-place finish in the Power of Four mountain bicycle race at the base of Aspen Mountain in Aspen, Colo., on Saturday, Aug. 25, 2012. Race-winner Keegan Swirbul, 16, of Aspen, left, clapso his hand. The race is the first public appearance for Armstrong since the U.S. Anti-Doping Association stripped him of his seven Tour de France championships and banned him for life from professional cycling. (AP Photo/David Zalubowski)