Fresh Air: Garry Trudeau, author of Yuge!: 30 Years of Doonesbury on Trump (Andrews McMeel, $14.99, 9781449481339).
Diane Rehm: Norman Ornstein, co-author of It's Even Worse Than It Looks: How the American Constitutional System Collided with the New Politics of Extremism (Basic Books, $16.99, 9780465096206).
Also on Diane Rehm: E.J. Dionne Jr., author of Why the Right Went Wrong: Conservatism From Goldwater to the Tea Party and Beyond (Simon & Schuster, $30, 9781476763798).
Diane Rehm: Dinah Miller and Annette Hanson, authors of Committed: The Battle over Involuntary Psychiatric Care (Johns Hopkins University Press, $22.95, 9781421420783).
Dr. Oz: Sue Hitzmann, author of The MELT Method (HarperOne, $18.99, 9780062065360).
Media Heat: Garry Trudeau on Fresh Air