Why the Fringe of the Republican Party Has So Much Power

From a New York Times guest essay by Richard H. Pildes headlined “Why the G.O.P.’s Fringe Has So Much Power”:

For the first time in nearly a century, we have witnessed the stunning spectacle of a Republican Party so fractured, it has struggled in multiple rounds of balloting to choose a speaker of the House. This Washington drama reflects larger structural forces that are changing American democracy.