when britaing-20 was in the chair of that organization. we set the agenda for what could be an absolutely game changing to radio for jobs and investment because we were part of this organization. those were the important points. think we have u.s. question now. >> following on that, do you think between brexit and the migration issue, european unity is that a crisis point? what you hope the leaders gathering in germany can do about it? do you expect those nations to militarily support, including ground troops, the new government in libya, to keep that situation from further straining europe? i'm also wondering if maybe you can talk about whether you plan to go to hiroshima when you visit japan. president obama: come on, man. prime minister cameron: this one is -- >> the president came to tell the u.k., they should stay with the e.u. as a friend, what would you advise americans to do about donald trump? that was soama: predictable. i would not describe european a crisis but i would say that it is under strain. that just has to do with the a