I think a well practised high schooler can do it quite frankly. Very troubling and no matter how much money I have accrued, until I have a solution to this problem, I don't feel rich at all. Not at all. Energy, water and food might be the gold of the next depression. But I think gold will soar as well.
Not a chance in hell. Our military is hardened against EMP but many civilian enterprises are vulnerable. However, Iran, or anyone else getting a detonation over N America is pretty slim. Thank you Ronald Reagan and Star Wars. Ain't gonna happen.