"I am ever more confirmed in my belief that Trump is a sociopath, without a conscience or feelings of guilt, shame or remorse. And he is pathologically insecure, recklessly attacking anyone who does not confirm him as the best there is," Humphrey said in an email to NBC News.
http://www.nbcnews.com/card/former-gop-senator-might-vote-clinton-n622921
A sociopath can be defined as a person who has Antisocial Personality Disorder. This disorder is characterized by a disregard for the feelings of others, a lack of remorse or shame, manipulative behavior, unchecked egocentricity, and the ability to lie in order to achieve one's goals.
Edited by MIZZOU_FANATIC at 14:26:41 on 09/06/16