Cass R. Sunstein is the Robert Walmsley University Professor at Harvard Law School. His many books include Simpler: The Future of Government (2013); The Ethics of Influence (2015); #Republic (2017); Impeachment: A Citizen’s Guide (2017); The Cost-Benefit Revolution (2018); Conformity (2019); How Change Happens (2019); Too Much Information (2020); and, with Richard H. Thaler, Nudge: Improving Decisions About Health, Wealth, and Happiness (2009).