Syria's Second Front
Three years into Syria's civil war, rebel forces aren't just fighting the Assad regime. They're also vying for control against factions aligned with Al Qaeda. FRONTLINE correspondent Muhammad Ali -- a Syrian native himself, delivers a gripping report from inside a country in turmoil. Also in this two-part hour, the war's youngest bystanders reflect on Syria's chaos in "Children of Aleppo."
Aired: 02/11/14Video has closed captioning.