Years of being lied to by public officials and sports stars has led us to be more cynical about Lance Armstrong's admission of guilt.
Amber Neben is one of the top road cyclists in the world, but there's one title that has always eluded her: an Olympic gold. She's hoping to end that drought in London.
Just a decade ago, Dotsie Bausch was a runway model caught in the grip of an eating disorder and drug addiction. But through years of therapy, and a newfound love for cycling, she is close to competing in the Olympics.