And they ought to turn that whole country over to Kurds. They know how to fight.
Yes, the Peshmerga know how to deal with scum, they've been doing it forever, Iraqis, Turks...whatever. Ask anybody who has been over there who their best ally was and they'll tell you - the Kurds. Right now the territory they control is the only place ISIS/ISIL/Daesh is not having any success.
Unleash them, and Daesh is toast.