Evil Jokers: The Dark Knight and Other Psychopaths

Psychopaths often fool others with their mask of sanity. As we know, they appear glib and charming in casual contact, hide their wrongdoings from others and lie smoothly with no compunction. But usually they’re far better at fooling their buddies and professional acquaintances–those they have only superficial contact with–than they are their long-term significant others. [...]