Our country is more politically polarized than ever. Is it possible to agree to disagree and still move on to solve our massive problems? Or are the blind leading the blind — over the cliff?

Bill and social psychologist Jonathan Haidt talk about the psychological underpinnings of our contentious culture, why we can’t trust our own opinions, and the demonizing of our adversaries.

“When it gets so that your opponents are not just people you disagree with, but… the mental state in which I am fighting for good, and you are fighting for evil, it’s very difficult to compromise,” Haidt tells Moyers. “Compromise becomes a dirty word.”