reported that one of the most dominant quarterbacks, most respected quarterbacks in nfl history, denver broncos qbof several high profile athletes who were supplied performance-enhancing, illegal drugs from an anti-aging clinic. here's what peyton manning's saying. >> disgusted, is really how i feel, sickened by it. i'm not sure i understand how someone can make something up about somebody, admit that he's made it up, and yet it somehow gets published in a story. it's defamation, and it really ticks me off. liz: so the story's called "the dark side," and in this bombshell report, it cites a guy named charlie sly -- yes, that's his name -- who allegedly spoke to an undercover reporter working for al-jazeera, but the report has since been dissected and rejected because that guy, charlie sly, is now oddly recanting the story. >> my name is charles sly. it has come to my attention that the broadcaster al-jazeera has somehow obtained recordings or communications of me making statements concerning a number of athletes and that al-jazeera plans to air a program about them. the statements on any recording