An Oxford University researcher, psychologist Kevin Dutton, has claimed that Donald Trump has more – yes, more – psychopathic traits than Adolf Hitler. That headline got around the world, but Hillary Clinton ranked as a psychopath between Napoleon and Emperor Nero! See: http://www.dailymail.co.uk/sciencetech/article-3753399/Donald-Trump-psychopathic-traits-Adolf-Hitler-Hillary-Clinton-shows-machiavellian-egocentricity-Scientists-conclude-presidential-candidates-psychopaths-claim-good-thing.html.
The “research” involved completing a psychometric tool known as the Psychopathic Personality Inventory-Revised (PPI-R), and examines eight component traits: social influence, fearlessness, stress immunity, Machiavellian egocentricity, rebellious nonconformity, blame externalisation and carefree nonplanfulness. Trump scored 171 and Hillary Clinton 152.