@article {4562,
	title = {Self-Segregation or Deliberation? Blog Readership, Participation, and Polarization in American Politics},
	journal = {Perspectives on Politics},
	volume = {8},
	number = {1},
	year = {2010},
	pages = {141-57},
	url = {http://home.gwu.edu/~jsides/blogs.pdf},
	author = {Lawrence, Eric and Sides, John and Farrell, Henry}
}
