senators into providing more troops and funding for the war. rolling stone has learned when an officer tried to stop the operation he was railroaded by investigators. general petraeus is investigating this. what happened? >> you know, that's been tried on me in the past, david. i don't know what's happened. i do know that general caldwell is a great leader and has done a great job in leading the afghan army. i know the briefers are briefed, senator x is interested in the following, a, b, c and d and that's legitimate. if it went any further than that, i don't know. general petraeus will make a full investigation. general caldwell has steadfastly denied it. but i don't see how it could have affected my position in any way, and so we'll see what happens. but put me down as skeptical. >> senator mccain, we'll leave