Maybe read up on the history before 1979. Maybe toppling a democratic regime in 1952 in order to get their oil was not the best move.

If you're worried about a state that terrorises the region, best to focus on Israel

Who's going to deal with the Zionist terrorist regime that has been bullying the Middle East since 1948?

Or the Wahabi regime that sponsored the sort of fanaticism that led to the rise of Al Qaeda?

Let's not put a moral spin on America's realpolitik.

Any guesses on how long that will take, what it will cost, and the odds if it happening at all?