From the author of the international bestseller Battle Hymn of the Tiger Mother, a bracing and original look at the tension between our tribal instincts and our democratic political ideals. Political Tribes explores the phenomenon of group identity: how identities are shaped and formed by belonging to a group.Groups unite us, fostering a sense of belonging and taking care of some of our most basic needs. They have also, throughout history, divided us. Amy Chua at her best!