His research focuses on public opinion and institutions, the formation of political attitudes, political parties and public policy, the politics of climate change, and LGBT issues and politics, with a regional emphasis on the United States. In addition to publishing articles in journals such as the Journal of Politics, the British Journal of Political Science, the Annual Review of Political Science, PS: Political Science and Politics, and Nature, he has also published two books. The first book, Public Opinion and Constitutional Controversy, was published with Oxford University Press. The second book, Partisan Priorities: How Issue Ownership Drives and Distorts American Politics, was published with Cambridge University Press. More information can be found at his website and on his Google Scholar profile.