Maybe you have worked alongside them or have hired them. Perhaps you have been impressed by their drive, ambition, intelligence, and charm. We're talking about what Dr Robert Hare, pre-eminent authority on psychopaths, calls a corporate psychopath: a "nonviolent person prone to the selfish and remorseless use of others." Manipulative, ruthless, callous, often smart and charismatic, they are unable to feel empathy or guilt. Psychopaths can wreak havoc in