Meharry Medical College’s James Hildreth, M.D., Ph.D., center, and Vanderbilt’s Sten Vermund, M.D., Ph.D., talk with Charlene Dewey, M.D., before Monday’s World AIDS Day event in Light Hall. The discussion — titled “What Are We Doing to Address the World AIDS Crisis?” — was sponsored by Vanderbilt’s Office for Diversity in Medical Education.