Fear brings with it a kind of powerful temptation: people want to know fear, to confront it, and maybe even conquer it. In the lead up to Halloween, we're devoting an episode to all things scary. CNN’s Chief Medical Correspondent Dr. Sanjay Gupta talks with psychologist Lisa Feldman Barrett about the science of fear, and how our approach to coping might be all wrong.  We go deep inside the human brain and venture into a haunted house, to figure out why so many of us seek out fear, and what that can teach us about ourselves. To learn more about how CNN protects listener privacy, visit cnn.com/privacy