After President Bush's thinly-veiled provocation of Iran and Syria in Wednesday night's escalation speech, Chris Matthews tried his hardest last night to press the ever-evasive Tony Snow on whether the President believes he needs to seek Congressional approval before taking any military action with regard to Iran. 

Download | play   Download | play

MATTHEWS: My concern is we‘re going to see a ginning-up situation whereby we follow in hot pursuit any efforts by the Iranians to interfere with Iraq.  We take a couple shots at them, they react.  Then we bomb the hell out of them and hit their nuclear installations without any action by Congress. That‘s the scenario I fear, an extra-constitutional war is what I‘m worried about.

Glenn Greenwald has a post up examining the President's power to attack Iran.