They are here and are serious.
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The execution of American journalist James Foley by ISIS represents a terrorist attack against the United States, a White House official told reporters Friday, adding that the organization could “pivot” to attacks on the scale of the September 11, 2001 attacks.

“When you see somebody killed in such a horrific way, that represents a terrorist attack,” White House Deputy National Security Advisor Ben Rhodes told reporters. ”That represents a terrorist attack against our country, against an American citizen, and I think all of us have the Foley family in our thoughts and prayers.”

Rhodes also defended President Obama’s oft-repeated description of ISIS as a junior varsity team.