If Bush had stayed out of Iraq, Saad may have gone after Saudi Arabia (where many there hate us) and would have likely got himself into a war with Iran again. The mideast would have resolved itself all on its own. But, the Bushes had to bail out Saudi Arabia to get us to spend enormous wealth for their benefit and get many US soldiers killed and maimed. The mideast is worse off now. At the end of Bush II term, Christians were fleeing the mideast in droves. If you support that, you are an idiot.
When Muslims are invading other Muslims, best thing is to do what Reagan did, arm both sides, and let them at it.