OPINION - Donald Trump's all American nightmare is a death-knell for Trumpism

This is a true story. As a colleague and I finished interviewing Donald Trump before his first presidential visit to Britain in July 2018, we were accosted by a tall man with a military air and a pen and notebook in hand. He’d been waiting for us outside the grand drawing room of the US Embassy in Brussels where the interview had just taken place. “Hi. John Kelly, White House Chief of Staff,” he introduced himself. “May I ask what the President said to you?”