Professor John Mark Hansen is one of the nations leading scholars of American politics. His research focuses on interest groups, citizen activism, and public opinion, and he has written two books: Mobilization, Participation, and Democracy in America, which he wrote with Steven Rosenstone, and Gaining Access: Congress and the Farm Lobby. He is also the Interim Chair for the Department of Political Science at the University of Chicago. Listen to his career story of becoming a UChicago Professor in this episode.