This article from the Daily News:
President Trump exhibits classic signs of mental illness, including 'malignant narcissism,' shrinks say
is not as over the top as you might think. Its explanation of what happened with Goldwater is a bit of history I didn't know, too.
What is somewhat interesting, in a way, is the matter of who is using who in the White House at the moment. Or does the inner circle (which seems to be a mere handful) share Trump's delusions so much that they genuinely share his alternative reality and have no concerns about it?
The psychological trick, that I've noted before, is that if you pretend something is true for long enough, you can inadvertently start to believe it. That might be what is happening there at the moment, but who knows? Lots of good insider books to come out in the future, at any rate...