The Diane Rehm Show

director of the Ross Center for Anxiety and Related Disorders, CEO of the Anxiety Disorders Association of America, and author "Triumph Over Fear"

director, International Center for Media and the Public Agenda and associate professor, Philip Merrill College of Journalism at the University of Maryland, College Park. Author of "Compassion Fatigue: How the Media Sell Disease, Famine, War and Death."

practicing internist, associate professor and fellow in the Master Scholars Society at New York University School of Medicine; columnist, "Los Angeles Times;" author of "False Alarm: The Truth About the Epidemic of Fear" and "Bird Flu: Everything you need to know about the next Pandemic"