You’ve heard of Nintendo Wii and Sony Play Station — heart-pumping, lights-flashing video gaming systems some people use for a little R & R. But it turns out video games can do a world of good for troops returning from the battlefield. Walter Reed Army Medical Center is using them to help wounded troops get their lives back here at home. And sometimes, that includes regaining driving skills. Tammy Phipps is an occupational therapist at Walter Reed Army Medical Center. Click to hear the interview.