obama. a long sought nuclear deal with iran announced just hours ago. it's being called really historic by both the deal supporters and the critics at the moment. >> the president still has to sell this deal to congress. well, that's not totally true. congress gets 60 days to review the deal. the president could veto whatever they pass. joining us now to discuss fareed za kkari zakaria. whether you support or oppose this deal, it is undeniable this is a remarkable piece of diplomacy, one years in the making, a marathon set of weeks of negotiations right now passing one deadline after another and to a certain extent it's the culmination of something president obama compromised in his campaign for the presidency in 2007 and 2008. >> right from the start in that famous debate, democratic debate, he said i would talk to iran at a time when even hillary clinton was saying that she wouldn't. you know, this is part and par selling of something that obama clearly has been trying to do, which is to figure out whether