Can Democratic Socialists Agree on Anything? They Say That’s Not the Point.

At a national summit of the Democratic Socialists of America, nervous energy and a sprawling tableau of sometimes-competing interests were on display.The democratic socialists packed into a dive bar on Chicago’s South Side were in a bubbly mood after the first day of their national summit. Hayley Banyai-Becker, a 31-year-old from Portland, Ore., stood on a chair to rally fellow members of the Democratic Socialists of America to stay on “the front lines of class struggle.” But there was a problem: None of them could hear her. “Did they just turn the music up?” Ms. Banyai-Becker called out, over the...