MR. GREGORY: Did the president do the right thing? SEN. McCAIN: Yes, he did, and he took the appropriate steps, in my view. I would like to say, in General McChrystal's behalf, that he played a key role in Iraq in the efforts against al-Qaeda. A lot of this is not known and will--may never be known. But General McChrystal did a great job there. The president took appropriate action, and we wish General McChrystal well in the future. ... SEN. McCAIN: First of all, there's no excuse for it, OK? There's no excuse for it. But part of it,...