insisting that it will block all available paths for iran to develop a nuclear weapon. but just as important as secret when he is saying it. as of about an hour ago, there is now a virtual guarantee that the deal will become a reality. democratic senator barbara mikulski of maryland has said she will vote for the deal, which means that the senate cannot block its passage which means as i just said the iran nuclear deal will be implemented, this a significant milestone for president obama's foreign policy. highly controversial, but it is going to happen. let's me bring in sunlen serfaty for reaction from the white house. also joining us, amy stoddard. there is a lot of action headed our way from capitol hill. sunlen, any reaction yet to this key moment, this deal is going