There's no about the foreign element involved here. In fact, that is precisely why there has been hardly a word of protest from the secular leadership of other Islamic countries about the U.S. assault on Fallujah.
One of the more telling stories of the last week was the discovery of 20 bodies in an insurgent hideout; they were primarily Jordanians. In a scene reminiscent of the battle in The Lord of the Rings between the orcs of Sauron (the "Red Eye") and Saruman (the "White Hand"), they had all been executed by fellow Iraqi insurgents -- apparently after they were caught trying to leave a city that they had originally promised to defend.
Interesting read bump!