President-elect Donald Trump is preparing to lead the nation in the same way he ran his campaign, with impulsive, shoot-from-the-mouth ignorance that scorns diplomatic protocols set up to protect national security and reassure allies. Diplomats are, unsurprisingly, aghast. Take the telephone, Trump’s fifth limb. With it he’s been chatting up a number of world leaders, dialing from his throne in Trump Tower without first consulting with the U.S.