"For years, Turkey — a U.S. ally and NATO member — let ISIS and other violent Salafi (Sunni extremist) groups cross its open border with Syria, which some dubbed the “jihadi highway.” “Turkey is certainly not the only country that has played a double game with respect to” extremist Islamist groups, Naiman noted. “So have the Gulf Sunni monarchies.” “And so has the U.S., in the sense that the CIA is arming groups, as The New York Times has reported, that the president claims with little dispute that he could target under the 2001 AUMF as ‘associated forces to al-Qaeda,'” he explained, using an acronym for the Authorization for Use of Military Force."