Iran’s longest range ICBM is 1.200 miles. Yes they have a big missile development program. But they have a ways to go to make one that could hit NYC from their country.
Stop pretending that it’s possible to negotiate in good faith with a despotic theocracy and treat them like the enemies they are? That would be a start.
What is there to a fear being threaten by a regime by nuclear weapons who’s core philosophy might say mutually assured destruction might not sound like a bad idea.
Or as a politician said “You think Iran is bad news now wait to they get the bomb”.