Neither side can extract what it has defined as success; neither side wants failure. In all likelihood, we will end up with scraps of paper both sides mostly ignore as in the past. But life is full of surprises -- although after what happened to Gaddafi in Libya, it would be a brave man indeed (or a foolish one) to give up nuclear weapons in exchange for a US guarantee.
Then,
who knows what Donald Trump will be willing to give up for a Nobel
Peace Prize, heavily tarnished by Obama and others though it may be.
(Note: You can view every article as one long page if you sign up as an Advocate Member, or higher).