Rep. Kucinich (D-OH) says
President Obama should be impeached over the Libya campaign.
A short while ago a couple of our reporters were asking questions on the history of the War Powers Act and the necessity for a declaration of war for the president to go to war.
I explained that the current constitutional rule is that a president doesn't have to do anything to send the military into battle. Except in cases where the ruling party believes an Authorization for the Use of Military Force (AUMF) sets the party up well for the next election campaign.
So in general, it's ideal to have a congressional vote except if you don't have time or don't want to.