She is among the founders of Georgetown's graduate program in Communication, Culture and Technology. Her publications include Media Messages in American Presidential Elections (Greenwood Press, 1991), New Media and American Politics (with Richard Davis, Oxford University Press, 1998), The Internet and Politics: Citizens, Activists, and Voters (co-editor, Routledge, 2006), Making a Difference: The Internet and Elections in Comparative Perspective (co-editor, Lexington, 2008) and American Government and Politics in the Information Age (with David L. Paletz and Timothy E. [Page xvi]Cook, FlatWorld Knowledge Press, 2011). She has published numerous articles and book chapters on political communication, American government, political socialization and civic engagement, elections and voting behavior and mass political behavior.