phil keating, phil streible, eric marshall, good stuff. thanks very much. liz: saudi arabia's new king salman is snubbing president obama at the camp david summit this week. david: will his absence derail the white house efforts to seal a nuclear deal with iran by the deadline seven weeks from now? joining us kissinger associates vice charm, former undersecretary of state, bob hormats. timing is everything. the secretary of state was just in saudi arabia on thursday. everybody thought we had a deal. the king pulls out. why? >> it is not exactly clear. the saudis sometimes don't tell you exactly what's on their mind but i think we can guess. this would have been his first trip abroad. it was quite clear that the saudis and other gulf arabs were not going to get what they wanted to get out of camp david which was some assurance, some security guaranty, from the united states. david: security for what? that if iran invaded them we would come to saudi arabia's help. >> taking action. not exactly clear what the wording would have been. something to the effect of