Uh, the President doesn't need authority to commit troops.
A declaration of war. What the US is carrying out against ISIS isn't war, it's protecting an ally from terrorism.
ISIS is a rebel/insurgent army. No matter how much cruelty the insurgents use an insurgency isn't an act of terrorism. Fighting a mass insurgency is war.
Not really, especially if it falls under meeting the terms on an alliance.
While we should take care of of ISIS, Iraq was an ally, it never was, it never will be an ally.
