'Sons of Iraq' feel betrayed by motherland

Militia forces in Iraq have been integral to bringing improved security to the war-ravaged country since joining US troops in the fight against al-Qaeda. But their planned integration with government forces has been slow, and some fighters claim that government support has not been sufficient. Now as US combat forces leave the country, they are also fearing for their own safety after al-Qaeda vowed to step up attacks against them.Duration: 01:59