FILE - In this Tuesday, June 12, 2012 file photo, a Syrian revolutionary flag waves on top of a building on the outskirts of Aleppo, Syria. During two weeks with rebels in northern Syria, three Associated Press journalists found more than 20 rebel groups who often destroy government army posts and convoys but lack the weapons and unity to do more than gradually chip away at the regime of President Bashar Assad _ a recipe for a long, bloody insurgency.(AP Photo/Khalil Hamra, File)
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