No president in the history of the United States has inspired more alarm and confusion than Donald Trump. As questions and concerns about his decisions, behavior, and qualifications for office have multiplied, they point to one primary question: Does he pose a genuine threat to our country? The American Psychiatric Association's Goldwater Rule constrains psychiatrists from offering diagnoses on public figures who are not patients and who have not endorsed such statements. But in Trump on the Couch Clinical Professor of Psychiatry Justin A Frank invokes the moral responsibility that compels him to speak out and present a full portrait of a man who presents us with a clear and present danger.