Mark Levin warns Iran’s regime won’t change long term, arguing any deal risks collapse without strong enforcement from future U.S. leadership:“And of course, the problem is this, Sean: Donald Trump is not going to be president forever. Someone will follow him, and especially if it’s a Democrat, I don’t believe they’re going to enforce any deal. So I’m concerned about the enemy. I’m not concerned about the president. I’m not concerned about our military or our economic actions against this regime