More at https://www.philosophytalk.org/shows/why-we-hate.

The Southern Poverty Law Center reports that the number of hate groups operating in the U.S. has risen to a record high. There has also been a corresponding increase in hate crime violence. So where does all this hate come from? Do we hate others because we feel a deeper sense of alienation or fear towards them? Is hating always the wrong response, or is there an appropriate kind of hate? Can we love and hate at the same time? And what's the difference between hate and other reactive attitudes like anger, disgust, and contempt? Josh and Ray shake off the haters with Berit Brogaard from the University of Miami, author of "Hatred: Understanding Our Most Dangerous Emotion."