From the 1910 overthrow of "Czar" Joseph Cannon to the reforms enacted when Republicans took over the House in 1995, institutional change within the U.S. Congress has been both a product and a shaper of congressional politics. For several decades, scholars have explained this process in terms of a particular collective interest shared by members, be it partisanship, reelection worries, or policy motivations. Eric Schickler makes the case that it...