Divided Parties, Strong Leaders

Drawing on nearly a century of legislative history, this careful account invites readers to think anew about when, why, and how leaders of divided parties wield power in Congress. For decades, legislative scholars have viewed party divisions as critical constraints on congressional leadership. The more a party’s rank and file disagree with one another, the weaker their leaders are predicted to be; as member preferences converge, leader power is thought to increase. In a powerful corrective to th