I don’t know about you, but for me, middle school was horrible. I arrived at an all-male school in a still very homophobic era as a small, nervous, Michael Jackson fanatic. Don’t worry - I’m going somewhere with this. For three years, life was hell. Then I found my tribe—the drama nerds. Maybe we couldn’t beat you up, but you had to respect the artistry. In high school, Tribalism was power. My guest today is Yale Law professor Amy Chua, who shook the Internet up a few years back with her book BATTLE HYMN OF THE TIGER MOTHER. What upset some progressive American parents most, it seems, was the suggestion that they were members of a parenting tribe. A cultural bubble with its own fallible set of assumptions.  In her powerful new book POLITICAL TRIBES: GROUP INSTINCT AND THE FATE OF NATIONS, Amy points out that long past high school, group instinct is much stronger than Americans generally like to admit. And that this cognitive blind spot has led to our repeatedly shooting ourselves in the foot, at home and abroad.  Surprise conversation-starter clips in this episode: Michael Norton on the link between money and happiness, Derek Thompson on “coolness”Learn more about your ad choices. Visit megaphone.fm/adchoices