What are the primary factions within the Democratic and Republican parties, and to what extent...

To what extent is party loyalty a liability for incumbent legislators? Past research on legislative...

This article surveys President Obama's policy agenda-setting for the first six months of his term....

What is a party? We argue that the formal party apparatus is only one part...

Are professional lobbyists loyal partisans? There are thousands of professional lobbyists in Washington, D.C., who...

Effort is a crucial element of the legislative process — writing bills, forming coalitions, crafting...

Why does the influence of Congressional parties fluctuate over time Building on prevailing answers, we...

Why does filibustering persist in the U.S. Senate? This article analyzes senators' preferences toward majority...

Bill cosponsorship has become an important part of the legislative and electoral process in the...

This chapter proves a simple point: the Senate could be a much more majoritarian chamber...

This chapter explains the adoption of the Senate's first cloture rule in 1917, specifically why...