CNN's chief medical correspondent, Dr. Sanjay Gupta, discusses the challenges in balancing the roles of physician and journalist, with host Dr. Matt Birnholz. Do we need ethical guidelines? And are the rules different in a disaster? Plus, Drs. Birnholz and Greenberg debate a controversial prenatal hormonal treatment, dissect the case of the tumor that turned out to be a green pea, and more.