teribus - As already posted, Andrew Mack (from UBC), is a credible source but, "...you're citing a piece of research that is based on data collected before the uprising in Fallujah, and before the onset of the current civil war in Iraq and its concommitant attraction of every out of town jihadist from here to Margate? And before the resurgance of Taliban violence in Afghanistan."

Chocolate soldier has already posted this.

Your argument has too many holes in it. Try finding current and credible sources to back your opinion.