Kathleen Hall Jamieson, Elizabeth Ware Packard professor of communications and director of the Annenberg Public Policy Center at the University of Pennsylvania. Just a month after Inauguration Day, she examined “Emerging Media and the Path to the Oval Office.”

Each presidential election year, the center conducts the National Annenberg Election Survey. It also is the sponsor of FactCheck, the often cited nonprofit devoted to examining the factual accuracy of U.S. political advertisements and claims.