>> a fascinating day ahead. thank you very much. helping us break down the politics, historian and professor at princeton university, julian selezer. what's remarkable to me is this is the second presidential trip in a week. this president on the campaign trail disparaged traditional democratic allies, disparaged our alliance and relationship with europe, who backed out of the paris climate accord, who famously said he represents people in pittsburgh, not paris. and he will be dining with someone who is younger than he is -- >> by 40 years. >> by 40 years, and who will be trying to educate him into the importance of american leadership on the global stage. it's kind of a remarkable set of circumstances -- >> it is remarkable. we don't know exactly why the president is making the decision and whether this is an escape from the bad news in washington and taking a trip overseas to change the conversation, or is it a more pragmatic shift from the white house, realizing you