@article {4568,
	title = {Leapfrog Representation and Extremism: A Study of American Voters and their Members in Congress},
	journal = {American Political Science Review},
	volume = {104},
	number = {3},
	year = {2010},
	pages = {519-42},
	url = {http://journals.cambridge.org/action/displayAbstract?fromPage=online\&aid=7909409},
	author = {Herron, Michael C. and Bafumi, Joseph}
}
