Photo courtesy of .
With his classic bring-it-on attitude, Lance says he's not afraid of an investigation into new blood doping claims against him, according to .
recently against Armstrong (), adding one more episode to the ongoing saga of doping allegations and investigations thrown at him.
Armstrong, who is competing now at the Tour Down Under in Australia, found some time to Tweet his feelings on the matter on Friday: “Great to hear that USADA is investigating some of SI's claims. I look forward to being vindicated.”
USADA hasn't yet confirmed an investigation into the SI report. In the meantime, read our October 2010 profile of U.S. Food and Drug Administration agent Jeff Novitzky, and his quest to harpoon Lance.
–Nick Davidson