Robert Mann, Louisiana State University, Professor of Mass Communication
b'Robert Mann, professor at\\xa0Louisiana State University\\u2019s School of Mass Communication and the author of\\xa0Daisy Petals and Mushroom Clouds: LBJ, Barry Goldwater, and the Ad That Changed American Politics\\xa0talked about the history of television presidential campaign ads. \\nLearn more about your ad choices. Visit megaphone.fm/adchoices'