Sebastian Junger, the New York Times bestselling author of “The Perfect Storm” and “War,” discusses his newest book “Tribe: On Homecoming and Belonging.” Sebastian challenges us to rethink some of our culture’s most fundamental ideas about purpose and prosperity. He says, “It’s about what we can learn from tribal societies about loyalty, belonging and the eternal human quest for meaning.” Read more about identity and belonging in the January 2018 issue of O, The Oprah Magazine.