Ellen Kamhi talks with Charley Wininger, author of "Listening to Ecstasy: The Transformative Power of MDMA". Charley is a psychotherapist in private practice and licensed as a Psychoanalyst as well as a Mental Health Counselor. For the past 20 years, Charley has been a member of the Multidisciplinary Association for Psychedelic Studies, which funds research into the use of MDMA for treating PTSD, social anxiety and other ailments.