In today's episode, I speak with Susan Casey, New York Times bestselling author and journalist, whose work focuses primarily on the intersection of human beings and the ocean. Susan started as a journalist, becoming a national magazine award winner and editor-in-chief of O Magazine, creative director at Outside Magazine, and editor-at-large for Time Magazine. But it was her books that really caught my attention, especially her latest, The Underworld: Journeys to the Depths of the Ocean, which...