From “President Donald Trump’s poor mental health is grounds for impeachment,” a 5.31 USA Today opinion piece by John Gartner (psychologist and former assistant professor at Johns Hopkins University Medical School), Dr. David Reiss (practicing psychiatrist for more than 30 years, specializing in fitness evaluations), and Dr. Steven Buser (clinical psychiatrist practicing in Asheville, North Carolina, and a former Air Force psychiatrist. Gartner and Buser are editors of “Rocket Man: Nuclear Madness and the Mind of Donald Trump“: