Bob Mueller speaks -- Katie and Joe sit down with Professor Kathleen Hall Jamison author of Cyberwar: How Russian Hackers and Trolls Helped Elect a President Professor Jamieson is the Elizabeth Ware Packard Professor of Communication at the University of Pennsylvania’s Annenberg School for Communication, the Director of the Annenberg Public Policy Center, and Program Director of the Annenberg Retreat at Sunnylands. Professor Jamieson explains how and why the Russians tipped the election in favor of Donald Trump.