I shouldn't put money on it, or on his polite reception, if he insists on forcing himself on us. I can't comment on Brexit: it is a bit like drugs, an American sort of thing. The majority, on all the evidence, have got over it.
Where'd you get that frame of reference from....self perceived superiority....we don't all come from the set of Downton Abbey!!!...anyway....I'm reasonably certain many in the world expected better from a US Presidential office holder but that expectation evaporated rather swifty when he started talking!!