In this Monday, Dec. 10, 2012 photo, a Free Syrian Army fighter aims his weapon during heavy clashes with government forces in Aleppo, Syria. (AP Photo/Narciso Contreras)

Associated Press
In this Monday, Dec. 10, 2012 photo, a Free Syrian Army fighter aims his weapon during heavy clashes with government forces in Aleppo, Syria. (AP Photo/Narciso Contreras)
In this Monday, Dec. 10, 2012 photo, a Free Syrian Army fighter aims his weapon during heavy clashes with government forces in Aleppo, Syria. (AP Photo/Narciso Contreras)
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