Feeling you belong to a group can be great - but it also has a darker side, leading us down an unhappy path of hatred and violence towards people with different identities and backgrounds.

Dr Laurie Santos talks to Mina Cikara - whose homeland descended into a bloody civil war - and Jamil Zaki about how we can fight hatred with empathy, kindness and difficult conversations.

(Deep canvassing clips courtesy of The Leadership Lab https://leadership-lab.org/ at the Los Angeles LGBT Center.)

For an even deeper dive into the research we talk about in the show visit happinesslab.fm