last round of israeli/palestinian negotiations, now vice president at the brookings institute. great to see you. here they are, two men who have a notoriously, famously terrible personal relationship but they have a shared interest in a security agreement. the president is very strongly supportive of it. how do they get past the differences over iran? >> well, i think this meeting will actually be a meeting designed to get them both past those differences. essentially, the president wants to deal with israel's security concerns in the context of the iran deal and in the process, avoid having netanyahu continue efforts to block the deal or undermine it, particularly in congress with new sanctions or things that might require democrats in the congress who voted with the president on the iran deal to be placed in an awkward position again, choosing between their support for israel