Ansar al Islam, which goes by the moniker Jamaat Ansar al Islam in Syria, has been coordinating its efforts with the Al Nusrah Front and Jaish al Muhajireen wal Ansar in a major battle for two Shiite villages north of Aleppo. The villages of Zahra and Nubl have been besieged by anti-regime elements since late November. Rebel forces have previously surrounded the villages and cut off electric and water services to the citizens. The two towns are located on a road to Turkey that is a key supply route into Aleppo. Ansar al Islam is an al Qaeda-affiliated group that...