Director of the Defense Center of Excellence for Traumatic Brain Injury/Post Traumatic Stress Disorder Col. Loree K. Sutton (right), U.S. Army, and Director of the Defense Veterans Brain Injury Center Lt. Col. Mike Jaffee, U.S. Air Force, address the findings and recommendations in a RAND study on brain injuries and stress disorders being suffered by troops in Afghanistan and Iraq during a media roundtable in the Pentagon on April 17, 2008.