Jacob S. Hacker is Stanley Resor Professor of Political Science at Yale University. A regular policy advisor and expert commentator, he is the author or co-author of six books, numerous journal articles, and a wide range of popular writings on American politics and public policy. His latest book, written with Paul Pierson, is Let Them Eat Tweets: How the Right Rules in an Age of Extreme Inequality. Professor Hacker is known for his research and writings regarding health policy, especially his development of the so-called public option. A member of the American Academy of Arts and Sciences, his recent honors include election to the American Academy of Political and Social Science as the 2021 Robert A. Dahl Fellow and the 2020 Robert Ball Award of the National Academy of Social Insurance.