Senator Joe Biden says:
"The President has no authority to unilaterally attack Iran and if he does, as foreign relations committee chairman, I will move to impeach."
Terrific. You're going to wait until after we've gotten sucked into yet another quagmire in the middle east to impeach this bastard? This isn't closing the barn door after the horses have left, this is waiting until they've ridden over the horizon to start walking towards the barn.