America's two party system is highly stable, but its parties' issue positions are not. Democrats
and Republicans have changed sides on many subjects, including trade, civil rights …

Even in this most partisan and dysfunctional of eras, we can all agree on one thing:
Washington is broken. Politicians take increasingly inflexible and extreme positions, leading …

Some scholars argue that Donald Trump's electoral college victory in 2016 was predicated
on his ability to attract racially hostile white voters. Others argue that the increased …

What determines the interests, ideologies, and alliances that make up political parties? In its
entire history, the United States has had only a handful of party transformations. First to the …

The reversal in the parties' positions on civil rights is widely viewed as one of the most
important political transformations in the last century. Drawing upon new indicators of …

The parties' polarization on abortion is a signal development. Yet while the issue has been
much discussed, scholars have said less about how it reveals the unstable relationship …

When I first began this project, I was interested in why rising income inequality went largely
unaddressed in the political system. This led me to the question of which groups were most …

Few transformations have been as important in American politics as the incorporation of
African Americans into the Democratic Party over the course of the 1930s–60s and the …

One of the most momentous shifts in twentieth-century party politics was the Democratic
Party's embrace of civil rights. Recent scholarship finds that this realignment began as early …

What explains the alignment of antiabortion positions within the Republican party? I explore
this development among voters, activists, and elites before 1980. By 1970, antiabortion …