By

Errol Louis,

a columnist for New York Magazine

and the longtime host of “Inside City Hall” on Spectrum News NY1.

Nobody, not even the co-chair of the New York City chapter of the Democratic Socialists of America, anticipated the depth and breadth of the group’s success in last Tuesday’s primaries. “If we were to elect all of our candidates tonight, we would almost double our cohort in the State Legislature,” Gustavo Gordillo told me a few hours before the polls closed. “I’d be happy if we won a majority of our races.”