Shanto Iyengar is the William Robertson Coe Professor of American Studies and Professor of Political Science at Stanford University. Iyengar’s areas of interest include the role of mass media in democratic societies, public opinion, and political psychology. Iyengar’s research has been supported by grants from the National Science Foundation, the National Institutes of Health, the Ford Foundation, the Pew Charitable Trusts, and the Hewlett Foundation. Iyengar is Co-Principal Investigator of the American National Election Studies, and Co-Director of the Polarization Research Laboratory. Iyengar is author or co-author of several books, including News That Matters (University of Chicago Press, 1987), Is Anyone Responsible? (University of Chicago Press, 1991), Explorations in Political Psychology (Duke University Press, 1995), Going Negative (Free Press, 1995), and Media Politics: A Citizen’s Guide (Norton, 2022).