Gen. Salim Idris, who defected from the Syrian army in July, speaks during an interview in Antakya, Turkey, on Tuesday, Dec. 18, 2012. (AP Photo/Bela Szandelszky)
Free Syrian Army fighter looks at the body of a Syrian Army soldier after heavy clashes with government forces at a military academy besieged by the rebels in Tal Sheer, Syria, Sunday, Dec 16, 2012. (AP Photo / Manu Brabo)
Machine gun rounds are seen near to a Syrian Army trench after heavy clashes with government forces at a military academy besieged by the rebels in Tal Sheer, Syria, Sunday, Dec 16, 2012. (AP Photo / Manu Brabo)
The body of a Syrian Army soldier lies on the ground after heavy clashes with government forces at a military academy besieged by the rebels in Tal Sheer, Syria, Sunday, Dec 16, 2012. (AP Photo / Manu Brabo)
A Free Syrian Army fighter fires his machine gun toward Syrian army positions during an assault on a military base in Tal Sheen, Syria, on Saturday, Dec. 15, 2012. (AP Photo/Manu Brabo)
**FILE** Aida cries as she recovers from severe injuries March 10, 2012, after the Syrian Army shelled her house in Idlib, Syria. Her husband and two of her children were killed. (Associated Press)
A Free Syrian Army fighter points his weapon as he watches a Syrian Army jet (not pictured) in Fafeen village, north of Aleppo province in Syria on Dec. 11, 2012. (Associated Press)
A Free Syrian Army fighter points his weapon as he watches a Syrian Army jet, not pictured, in Fafeen village, north of Aleppo province, Syria, Tuesday, Dec. 11, 2012. (AP Photo/Manu Brabo)
A Free Syrian Army fighter points his weapon as he watches a Syrian Army jet, not pictured, in Fafeen village, north of Aleppo province, Syria, Tuesday, Dec. 11, 2012. (AP Photo/Manu Brabo)
A Syrian rebel fighter fires his weapon during clashes with Syrian army forces on the outskirts of Idlib, Syria, on Saturday, Nov. 17, 2012. (AP Photo/ Khalil Hamra)
A Syrian soldier aims his rifle at free Syrian Army fighters during clashes in the Damascus suburb of Daraya, Syria, on Dec. 2, 2012. (Associated Press/SANA)
**FILE** A rebel fighter walks Nov. 2, 2012, among the debris of damaged residential buildings after several days of intense fighting between rebel fighters and the Syrian army in the Karm al-Jebel neighborhood in Aleppo, Syria. (Associated Press)