Everything you need to know about our polarized politics (in the palm of your hand)

In Jonathan Chait’s interview with departing White House adviser Dan Pfeiffer in New York magazine, Chait describes how the Obama administration “lost its illusions” about overcoming partisan polarization.

“I think [Obama] believes, and I certainly believe, that while we can always do better, this is a case where structural forces are the large actor here,” he told me. Pfeiffer cited three of them. The first is rising polarization—“the great sorting,” as he called it—which, over a period of decades, has driven white conservatives out of the Democratic Party and moderates...