The young cigar maker in New York City attended a few socialist meetings in the 1870s. But he longed to hear “constructive” ideas about how to achieve a better life for himself and his fellow workers.

Karl Marx never visited the United State but he and his ideas left an imprint nonetheless. Karl Marx never visited the United States, but he was long fascinated by the lure—and contradictions—of ...

The Democratic Socialists of America just wrapped up a Hajj to their Mecca: Havana, a city so buried in detritus after decades of communism that it’s a wonder why any politician would want to be ...