I don't think there is a possibility. A democracy that isn't in the US' interest (and now Russia's) descends into autocracy as a defense against interference. A

I don't think there is a possibility. A democracy that isn't in the US' interest (and now Russia's) descends into autocracy as a defense against interference. A Shah is a compromise that gives them acceptability to the superpowers and a better life than an opposing autocracy.