** FILE ** Free Syrian Army fighters take their positions as they observe the Syrian army forces base of Wadi al-Deif at the front-line town of Maaret al-Numan in Syria's Idlib province on Tuesday, Feb. 26, 2013. (AP Photo/Hussein Malla)

Photo by: Hussein Malla

** FILE ** Free Syrian Army fighters take their positions as they observe the Syrian army forces base of Wadi al-Deif at the front-line town of Maaret al-Numan in Syria's Idlib province on Tuesday, Feb. 26, 2013. (AP Photo/Hussein Malla)