U.S. House of Representatives
Rising partisanship among voters is 'nationalizing' local politics

One of the oldest cliches on American elections, attributed to the late House Speaker Thomas P. "Tip" O’Neill, holds that “all politics is local.” Not anymore. Indeed, just the opposite holds true: Increasingly, politics has become nationalized. Emory University political science professor Alan Abramowitz, one of the country’s leading experts on political polarization, lays out some of the evidence in a new paper that also offers a theory to explain why. The change, Abramowitz writes, is driven by the rise of what he calls “negative partisanship” – the belief by voters that supporters of the opposite party are “very...