Syria ready to cooperate with U.S. to fight ISIS

The terror group ISIS is making terrifying new gains. United States officials tell CNN the Pentagon is now preparing options for air strikes against ISIS targets inside Syria.

Syria says it is ready to work with the U.S and the international community against ISIS.

Will the president take the U.S. war against ISIS to Syria? And might the U.S. fight alongside a government the administration had sworn to remove?

OutFront, retired Colonel Peter Mansoor. He served as the executive officer to General David Petraeus during the surge in Iraq. Shadi Hamid is a fellow with the Center for Middle East Policy at the Brookings institution.