Officials: Americans who fought with militants are back in U.S. @CNN's @jimsciutto has more #OutFront. http://www.cnn.com/cnnx
New ISIS calls for attacks in U.S. and Europe. Why is ISIS taunting the West? http://cnn.it/1rs8TBg @CNN #OutFront
"The threat is real... #ISIS is one passport away from coming into the U.S." @RepMikeTurner tells @ErinBurnett. http://www.cnn.com/cnnx
