"I'm not the most believable guy in the world right now, " he said at one point.

WSJ: Lance Armstrong Begins His End��Jason Gay

"I'm not the most believable guy in the world right now, " he said.

WSJ: Lance Armstrong Admits to Doping, 'One Big Lie'

"I'm not the most believable guy in the world, " he says.

NPR: Column: Live Commentary On Armstrong Interview