In the 80s, a pair of psychologists theorized why being part of a group can change people’s thoughts and feelings, both about themselves and other people. It sounds dry, but SIT explains everything from how people justify genocide to football rivalries.

Short Stuff: Hisashi Ouchi
12:12

Terry Fox: Greatest Canadian Hero
46:47

Selects: Flagpole Sitting: A Real Fad
50:17