Barack Obama actually said...

Iraq is not a perfect place. It has many challenges ahead, but we're leaving behind a sovereign, stable and self-reliant Iraq.

This raises the prospect of an act of genocide in which you see the targeted effort to eliminate a group of people based on their identity.

When the lives of American citizens are at risk, we will take action. That's my responsibility as commander-in-chief.

He also authorized airstrikes to try to break the siege of around this mountain by ISIS forces.