Episode Notes For this week’s Slate Plus bonus episode, John and David talk with Dave Philipps of The New York Times about brain trauma as the cost of military service. Dave Philipps of The New York Times: Chronic Brain Trauma Is Extensive in Navy’s Elite Speedboat Crews ; Wide Ramifications Seen for Brain Damage Found in Maine Gunman ; and with photographs by Matthew Callahan: A Secret War, Strange New Wounds, and Silence From the Pentagon Email your chatters, questions, and comments to