'By analyzing members' decisions to switch parties (or not) in the postwar era, Antoine Yoshinaka provides important and at times unexpected insight into all members' partisan identities, and into legislative party organizations more generally. Crossing the Aisle is a must-read for those interested in the U.S. Congress, legislative behavior, political parties, and partisan identification.' Kathryn Pearson, Congress and the Presidency
Part I: 1. Legislative party switching in the United States: an introduction; 2. Party switching: a theoretical framework; Part II: 3. Why do members of Congress switch parties?; 4. Progressive ambition and party switching: testing the model on state legislators; Part III: 5. The electoral consequences of party switching among members of Congress; 6. The benefits of party switching: intrainstitutional advancement and the committee assignment process; Part IV: 7. Behind the scenes: the role of party leaders, rank-and-file members, and former party switchers; 8. A 'real-time' look into the decision to cross the aisle; 9. Conclusion.