In a recent video, Isis threatened to behead Obama and turn America into a Muslim province. They stated, "Know that we are men who fear no one. We will institute the laws of Allah, may he be exalted and praised." And this might certainly happen if we Christians continue to be afraid of men and not faithful to exalt and praise our God.
This article from Christiannews.net explains more. Please be in earnest prayer, for greater is He that is in us than he that is in the world.