'So Trump returns to the White House this week just as he left -- lonely, angry and not happy with much of anyone. The presidency, Donald Trump is discovering, is not an easy or natural fit.
'He now lives within himself, which is a dangerous place for Donald Trump to be,' says someone who speaks with the President. 'I see him emotionally withdrawing. He's gained weight. He doesn't have anybody whom he trusts.'
The question, he adds, is whether Trump will understand the enormity of what he faces or will instead 'be back to being arrogant and stubborn.' He will have to realize that 'all this trip really did was hit the pause button.'
And only for a moment. '