I know your question is directed at ngb but as far as I am concerned I simply do not have enough knowledge about history and/or geopolitics to have any strong views either way.
Well the main problem with Iran is that it is ruled by an extreme Islam regime who have a stock of uranium, Cutie!
Don't venture there unless you are well covered up, else you will be buried to the waste and stoned to death!
Nuclear weapons should never be in the hands of religious lunatics!