Why Some Anti-Tobacco Ads Backfire (VIDEO) University of Missouri-Columbia This video is under embargo. Please login to access this video. Caption Flash news piece. Credit MU Extension Co-op media group Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.