@inbook {608568, title = {How Cable Ended the Golden Age of Presidential Television: From 1969 to 2006}, booktitle = {The Principles and Practice of American Politics}, year = {2006}, publisher = {Congressional Quarterly Press }, organization = {Congressional Quarterly Press }, url = {https://sites.hks.harvard.edu/fs/mbaum/documents/BaumKernell2006_uncorrected_page_proofs.pdf}, author = {Baum, Matthew A. and Samuel Kernell} }