See, the more we kill there, the fewer that will try to enter our country and kill us. Simple math. Terrorists - Terrorists killed in Iraq = less terrorists. Yes, it's basic stuff, but remember, many of these people are the same that want the schools to teach our kids that 2+2 can be 5 as long as it doesn't hurt Johnny's self-esteem.
Oh, and by the way, Osama thinks that Iraq ain't exactly a distraction.