Then as many say, there are the ayatollahs, who were installed by the cia and BP to replace the DIKTATOR shaw they had previously installed to replace the democratically installed PM they had NOT installed before that.
(And toppling Carter in the process was a bonus.)
This is a deeper subject than many might suspect.
After all you have Wesley Clark's famous list of countries that were to be invaded by however many presidents it takes to get that "honey do list" done.
I'm thinking that Iran could buy a few nukes from Comrade Kim's All-Nite A-Arms Emporium and be a nuclear power by Monday morning.