>> that is for sure. will carr reporting from santa rosa. thank you for joining us live in washington, white house national security advisor, general hr mcmaster. welcome back to fox news sunday. >> thank you james a pleasure to be here. next the president called new strategy towards iran a two-step process. step one is withholding the certification as you have done with an eye toward potentially securing changes to the iran nuclear deal and some changes in iran's behavior outside of the deal. step two as the president made clear in the remarks were about to hear, is that if the first step does not work we cancel the deal. >> in the event were not able to reach a solution working with congress and our allies, then the agreement will be terminated. >> so, while we are in the first phase, seeking changes to the nuclear deal -- is a positive us government that would continue to implement fully all existing us obligations under the deal? >> yes it is. with the president has done has set...