John F. Tierney, former US Representative and current executive director of the Council for a Livable World and the Center for Arms Control and Non-Proliferation, joins Joe Cirincione to discuss his work on the National Defense Authorization Act, and challenges the idea that US national security depends on ever-increasing defense spending. News summary with Mary Kaszynski, Joe Cirincione, and Michelle Dover. Joe Cirincione answers a question from Clair in Massachusetts.