Stephen Ansolabehere is the Frank G. Thompson Professor of Government at Harvard University. He is an expert in public opinion and elections, and has published extensively on elections, mass media, and representation, political economy, and public opinion, especially concerning energy and the environment. He is author of five books: Cheap and Clean,The Media Game, Going Negative, American Government, and The End of Inequality. He is a Carnegie Scholar (2000), a Hoover National Fellow (1994), and Truman Scholar (1982) and was inducted into the American Academy of Arts and Sciences in 2007. He is the director of the Center for American Political Studies at Harvard, as well as principal investigator of the Cooperative Congressional Election Study, a collaborative effort of over 60 universities and colleges in the United States.