Seth MasketSeth Masket is professor of political science and director of the Center on American Politics at the University of Denver. He is the author of The Inevitable Party: Why Attempts to Kill the Party System Fail and How They Weaken Dmocracy (Oxford University Press, 2016) and No Middle Ground: How Informal Party Organizations Control Nominations and Polarize Legislatures (University of Michigan Press, 2009). He teaches courses on political parties, campaigns and elections, and congressional procedure. His research has appeared in the American Journal of Political Science, the Journal of Politics, the British Journal of Political Science, the State Politics and Policy Quarterly, and other publications. Masket also contributes regularly to FiveThirtyEight, the Los Angeles Times, and the Mischiefs of Faction blog, and his work has appeared at the Monkey Cage, on Politico, and in the New York Times. He received his PhD from UCLA in 2004. Read More Read Less