From his career in New York real estate to his extraordinary campaign for the White House, the court of Donald Trump has operated much like that of Louis XIV of France: everything revolves around the imperious, bouffanted Sun King. “He is a total narcissist, and what you see here is the way he’s always been,” said a source intimately familiar with Trump’s way of working, who declined to be identified criticising a potential president. “This, between you and me, will be the destruction of the United States.”