“Trump’s penchant for exaggeration, self-promotion, and misrepresentation is hardly new,” argues Jeffrey Sonnenfeld.

“Trump’s penchant for exaggeration, self-promotion, and misrepresentation is hardly new,” argues Jeffrey Sonnenfeld.

His recent tirades confirmed what more than half of America now believes: The president is mentally unfit. How will we survive two and a half more years of this? And what’s he got…