They aint no threat to us interests in that region and they dont want to be. Let them fukk with a pipeline and watch how quick they go from unemployed, to gettin that WORK!Actually, that's not true at all.
Fallujah and cities like it are the perfect places to hide because the civilian population is sympathetic to their cause. It's difficult for the military to fight an enemy who's hiding in plain sight amongst non-combatants. It's a problem and the only real way to contain it is to plant people on the inside.