And surely even Iran knows that once Obama leaves office any deal they sign will be repudiated.
That means they and EVERYONE ELSE knows Iran has but 22 months to build their bomb.
Thanks, mostly, to Obama's political cover.
I would imagine that the administration is trying to “update” the House and Senate on some of the details they “overlooked” and failed to inform them about. When the committees discover they’ve been kept in the dark and played for fools its not going to go over so well.