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FILE - In this Saturday, Nov. 17, 2012 file photo, Syrian fighters check their ammunition during clashes with Syrian army forces in the town of Harem, on the outskirts of Idlib, Syria. A dark realization is spreading across north Syria that despite 20 months of violence and recent rebel gains, an end to the war to topple President Bashar Assad is nowhere in sight. (AP Photo/ Khalil Hamra, File)

Associated Press
FILE - In this Saturday, Nov. 17, 2012 file photo, Syrian fighters check their ammunition during clashes with Syrian army forces in the town of Harem, on the outskirts of Idlib, Syria. A dark realization is spreading across north Syria that despite 20 months of violence and recent rebel gains, an end to the war to topple President Bashar Assad is nowhere in sight.  (AP Photo/ Khalil Hamra, File)
FILE - In this Saturday, Nov. 17, 2012 file photo, Syrian fighters check their ammunition during clashes with Syrian army forces in the town of Harem, on the outskirts of Idlib, Syria. A dark realization is spreading across north Syria that despite 20 months of violence and recent rebel gains, an end to the war to topple President Bashar Assad is nowhere in sight. (AP Photo/ Khalil Hamra, File)
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