American Gridlock: The Sources, Character, and Impact of Political Polarization

Part I. Polarization among Voters and Activists: 1. The new American electorate: partisan, sorted, and polarized Alan I. Abramowitz 2. Redistricting and polarization Micah Altman and Michael McDonald 3. Party activists, interest groups, and polarization in American politics David Karol 4. Authoritarianism and polarization in American politics, still? Marc J. Hetherington and Jonathan Weiler 5. Party sorting: the foundation of polarized politics Samuel J. Abrams and Morris P. Fiorina Part II. Polarization in National Institutions: 6. Presidential-congressional relations in an era of polarized parties and a sixty-vote Senate Jon R. Bond, Richard Fleisher and Jeffrey E. Cohen 7. Party warriors: the ugly side of party polarization in Congress Sean M. Theriault 8. The sources and consequences of polarization in the US Supreme Court Brandon L. Bartels Part III. Polarization in the States: 9. Polarization in American state legislatures Boris Shor 10. The costs of party reform: two states' experiences Seth E. Masket 11. The policy consequences of party polarization: evidence from the American States Elizabeth Rigby and Gerald C. Wright Part IV. Polarization in the Media: 12. Partisan media and electoral polarization in 2012: evidence from the American National Election Study Gary C. Jacobson 13. News as a casualty: district polarization and media coverage of US House campaigns Danny Hayes and Jennifer L. Lawless 14. More a symptom than a cause: polarization and partisan news media in America Kevin Arceneaux and Martin Johnson 15. The polarizing effects of partisan and mainstream news Natalie Jomini Stroud and Alexander Curry Part V. Implications and Conclusions: 16. Congressional polarization and its connection to income equality: an update Adam Bonica, Nolan McCarty, Keith T. Poole and Howard Rosenthal 17. The sources and impact of political polarization James A. Thurber and Antoine Yoshinaka.