A man unfit to hold any office has his finger on the nuclear button

President-elect Donald Trump (L) talks after a meeting with U.S. President Barack Obama (R) in the Oval Office after his success in the American election Pic: Getty

Donald Trump’s June 2015 campaign announcement is best remembered for his coming down an escalator with Melania, to be followed by his announcement that he would build a physical wall with Mexico to keep the criminals out. Less remembered is how he self-referenced his first book. “We need a leader that wrote The Art of the Deal,” he trilled.

For all his boorishness and inarticulacy - which is a polite way of describing ...