FILE - In this Wednesday, Aug. 20, 2014, file photo, President Barack Obama pauses as he speaks in Edgartown, Mass. At the heart of President Barack Obama’s quandary over the Islamic State militants is their haven in Syria. What if the militants pull back, even partially, into Syria and regroup, as Defense Secretary Chuck Hagel on Thursday, Aug. 21, 2014 predicted they would, followed by a renewed offensive? (AP Photo/Jacquelyn Martin)
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