In this Friday, Dec. 14, 2012 photo, a Syrian rebel checks an anti-aircraft weapon, in Maaret Misreen, near Idlib, Syria. The new Syrian rebel chief, a defected army general who spent months in exile, says he has begun operating inside Syria to unite autonomous anti-regime militias for what he hopes will be the final push against President Bashar Assad. (AP Photo/Muhammed Muheisen)
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