"This Aug. 20, 2014 file photo shows Joint Chiefs Chairman Gen. Martin Dempsey speaking in New York. President Barack Obama's military leadership made clear in recent days that the threat from the Islamic State militants, who murdered American journalist James Foley, cannot be fully eliminated without going after the group in Syria, as well as Iraq.""This is an organization that has an apocalyptic, end-of-days strategic vision and which will eventually have to be defeated,"" said Dempsey. ""Can they be defeated without addressing that part of their organization which resides in Syria? The answer is no. That will have to be addressed on both sides of what is essentially at this point a nonexistent border."" (AP Photo/Kathy Willens, File)"
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