Withdrawing from flawed #IranDeal is defensible policy. But key to winning debate going forward is POTUS' strategy for both containing Tehran (does he have one) & is it effective - does it improve upon deal's achievements by dealing successfully w/ its failures.
Well, re NK, we shouldn't trust them. This could actually work to reinforce that the U.S. won't be a party to a weak deal. Maybe you're right & will have the opposite effect. That's possible.