The connection between the rise of social media and the decline of American politics and society seems obvious. But what if what everybody knows is wrong? 

The Democratic and Republican presidential contenders have begun defining their approach to major foreign policy issues as they jockey for position in their parties’ primaries.

Fifty years ago, Republicans turned on President Richard Nixon. Today, most of the party continues to stand by Trump. Why the difference? A rise in partisanship.

The broken system hurts immigrants—and makes it harder for the United States to compete.