For Immediate Release: February 21, 2012 Contact: Kathleen Hall Jamieson, 215.898.9400 or kjamieson@asc.upenn.edu Jamieson is director of the Annenberg Public Policy Center of the University of Pennsylvania. Penn’s Annenberg Public Policy Center’s FlackCheck.org Launches “Stand by Your Ad” to Fight Deception in Super PAC and Other Third Party Political Advertising TV and radio stations are