Why Good People Disagree About Right and Wrong

Why do reasonable people disagree so strongly about right and wrong? And why are we so quick to assume that people on the other side of a moral or political issue are irrational, selfish, ignorant, or simply bad? Michael Shermer speaks with Cornell psychologist Audun Dahl, author of Between Fixed and Fickle: Why Our Moral Views Keep Changing , about how human morality develops and why many…