President Donald J. Trump seems hell-bent on alienating as many American allies as possible. His presidency was only hours old when he put Australia in his crosshairs. Now working his way through the alphabet, the president has tweeted proudly that he’s the reason many of the Middle East’s Arab countries are freezing out Qatar as a hotbed of terrorism.

Except that Qatar is the site of an American military base from which we launch our airborne stand against ISIS. Meanwhile, buddy-buddy Saudi Arabia is where most of the 9/11 terrorists came from. A complex situation, n’est pas? And complexity is not Trumpet’s strong suit. ...