A Free Syrian Army fighter aims his weapon during heavy clashes with government forces in Aleppo, Syria, on Wednesday, Dec. 5, 2012. (AP Photo/Narciso Contreras)

Photo by: Narciso Contreras

A Free Syrian Army fighter aims his weapon during heavy clashes with government forces in Aleppo, Syria, on Wednesday, Dec. 5, 2012. (AP Photo/Narciso Contreras)