Add Yahoo as a preferred source to see more of our stories on Google. Editor’s Note: Sara Stewart is a film and culture writer who lives in western Pennsylvania. The views expressed here are her own.

Impulsivity. Deceit. Lack of empathy. Lack of remorse. Manipulation. Repeated law breaking. These are the textbook traits of a sociopath. And we all know how sociopaths end up, right? You refer to ...

Co-authored by Nathan Lents, Ph.D., and Robert Trivers, Ph.D. There is no shortage of published psychological profiles of Donald J. Trump that attempt to diagnose him, from a distance, as either a ...