to break up our sanctions are joining us now from washington d.c. for more on this story is my son rafah he is in iran on a list analysts excuse me but the u.s. based crisis group his research is focused on the iran nuclear deal and the country's regional policy is welcome to the program and thank you so much for joining us i'd like to begin by asking you this were new to us push against iran why now. our displeasure be with you well the troubling ministrations since since you came into office two years ago has been fairly clear in its assessment that iran is the primary do stabilizing balon an actor in the region particularly since it's true from the nuclear you may have twenty minutes in trying to raise international support for what it calls a campaign of maximum pressure and i think this conference in warsaw is part of the subgroup to increase international by or the diplomatic political and economic isolation of tehran why is the conference being held or do you think let's call and stake. it's