Psychiatrist and author ROBERT JAY LIFTON has spent a lifetime not turning away from our dark side: writing about Hiroshima survivors, Nazi doctors, and the Japanese cult that released sarin gas in Tokyo’s subways. Now 93, he finds the darkness closer to home. He wrote the foreword to The Dangerous Case of Donald Trump: 27 Psychiatrists and Mental Experts Assess a President, and his latest book is LOSING REALITY: On Cults, Cultism, and the Mindset of Political and Religious Zealotry. How can Trump’s alternative facts compete with the harsh realities of this moment?