In his new book, Tribal Peoples, Stephen Corry challenges popular assumptions about the world's indigenous. The director of Survival International, Stephen has spent the past 40 years promoting and popularizing tribal people's rights. Today, he tells Worldview about his rich experiences with these populations and how their disappearance is far from inevitable. He also explains his belief that, counter to conventional wisdom, tribal people live much fuller lives than most in the modernized world.