Leon Panetta says it would be a "mistake" for the U.S. military to take unilateral action in Syria to stop President Bashar Assad's bloody crackdown. John McCain and other conservatives disagree.

GOP U.S. presidential hopeful Rick Santorum said John McCain, tortured as a prisoner of war, "doesn't understand how enhanced interrogation works." McCain's ex-staffer fires back.

New proposed bill could curb civil liberities

If you want to kill with a clean conscience, the faces of the enemy had better be blank. Start to see them as human beings and it becomes harder to blockade and bomb them, to mine, and pollute, and "destabilize." It isn't the face of the enemy that we see in the pictures from Iran. No, these are people much like ourselves, who don't want to die at the hands of their government--or at the hands of ours, either, for that matter.

Video of John McCain's Keating Five Problem In 97 Seconds.

The story of "the Keating Five" has become a scandal rivaling Teapot Dome and Watergate. Read why John McCain was the worst of the five senators involved.