During the past two generations, democratic forms have coexisted with massive increases in economic inequality in the United States and many other advanced democracies. Moreover, these new inequalities have primarily benefited the top 1 percent and even the top .01 percent. These groups seem...

The idea of America as politically polarized—that there is an unbridgeable divide between right and left, red and blue states—has become a cliché. What commentators miss, however, is that increasing polarization in recent decades has been closely accompanied by fundamental social and...