Jamieson, Kathleen HallCappella, Joseph N2023-05-222023-05-222008-01-012018-10-09https://repository.upenn.edu/handle/20.500.14332/2282This is a book chapter from "Echo chamber: Rush Limbaugh and the conservative media establishment" by Kathleen Hall Jamieson,& Joseph N. Cappella, Chapter 12. Balkanization of Knowledge and Interpretation (pp191-213). pubished by New York: Oxford University Press, 2008. http://global.oup.com/?cc=usCommunicationSocial and Behavioral SciencesBook Chapter