His research interests include questions of democracy, representation, identity and ethnicity, public opinion and legislative politics. He is the author of Tyranny of the Minority The Subconstituency Politics Theory of Representation (Temple University Press 2009) and the recipient of the 2011 Bailey Award for the best paper on gay and lesbian politics for the paper “Gay Rights and Legislative Wrongs: Representation of Gays and Lesbians,” which he coauthored with Charles Anthony Smith.