for an american audience, walk through what the biggest challenges will be for the president as he meets with not just the prime minister but more ceremonial way, the queen. >> what's interesting about the nato press conference, you did see the president make an explicit link senly because the nato defense issues and issues of european trade, which is a linkage that normally isn't made. for the president what he's going to want to do is obviously try to make the most out of this trip. the opportunity for theresa may is other than donald trump's caddie in scotland, she'll be the last world leader to speak to him -- >> although the white house hasn't confirmed he is playing golf when he's in scotland. >> sure. i'm sure he may visit his golf course and not play a round of golf. but the fact of the matter is there is an opportunity for britain here. has traditionally played the role of being a bridge between the u.s. and europe. but that is obviously far more complicated at the moment and brexit process under way.