Nuclear weapons are inherently dangerous. Handling them, using them, not using them, requires caution, care. Living as we do now with North Korea, Pakistani generals, jihadists, and who knows who’ll be the next U.S. president, the world is very, very lucky that at one critical moment, someone calm enough, careful enough, and cool enough was there to say no.
Robert Krulwich in You (and Almost Everyone You Know) Owe Your Life to this Man [phenomena.nationalgeographic.com]
That’s as close as National Geography gets to calling Trump insane.