Why do people cheat? And what is the definition of infidelity? Psychotherapist Esther Perel is the author of the new book The State of Affairs. She works with couples who are dealing with infidelity and says infidelity is "extremely common" but is "poorly understood."
What's wrong with the field of psychiatry? Psychiatrist Daniel Carlat says some American psychiatrists are too busy prescribing drugs to actually talk to people. Carla talks about the forgotten art of therapy and the influence of drug companies on the profession in his new book, Unhinged.