correspondents carson phenomena in washington and betty riegert in brussels welcome both custer phenomena in washington was will start with you if mr trump does pull america out of the deal does that necessarily mean it will fall after all there are eight signatories to it. you know that's a big question and depends on what donald trump is going to say exactly i mean you never know with on a trump so it still could be that he's announcing he will be announcing another diplomatic initiative or that he would announce the deal but not immediately pull out of it but clearly that is very unlikely everybody expects donald trump to announce that he will not extend the sanction relieve that iran has enjoyed under the existing iran nuclear deal and that would mean that the u.s. in this case would be violating the agreement because iran is hearing to the deal effectively do yes which pull out of the deal now as you said there are other signatories states so it doesn't have to unravel iran would have an excuse to restart its nuclear program but they have also been some. statements from iran saying w