Can cognitive behavioral therapy break the cycle of violence?
Steven Pinker makes the case for optimism3:35
Having your views challenged is a good thing3:39
The conservative radio host urging people to break out of their bubbles3:41
How to negotiate the nonnegotiable4:44
Can a single conversation really change someone's mind? This research says yes.
This week in ideas: How to form good habits, the case against empathy, and a miracle cure derailed