WASHINGTON, Dec. 3 -- The U.S. Department of Health and Human Services Food and Drug Administration issued the following news release: * * * FDA Announces Leadership Appointments at Center for Drug Evaluation and Research * The U.S. Food and Drug Administration (FDA) today announced that Tracy Beth Hoeg, M.D., Ph.D., has been appointed acting director of the Center for Drug Evaluation and Research (CDER). A physician and epidemiologist, Dr. Hoeg was a Visiting Scholar at the Massachusetts In  more