In the aftermath of the cold war, in a world that glorifies markets and commodities, it sometimes seems difficult to remember that generations of people once fought to create a very different kind of world. To many, the aspirations of this grand tradition of socialism often seem archaic today, or utopian in the pejorative sense, the stuff of idle dreams; others, more dismissive, consider socialism to be an inherently coercive system, one whose consignment to the past is well-deserved. Yet for a century preceding World War I, and for nearly a half century thereafter, various kinds of socialism — statist and libertarian; economistic and moral; industrial and communalistic — constituted a powerful mass movement for the transformation of a competitive society into a cooperative one — and for the creation of a generous and humane system in which emancipated human beings could fulfill their creative and rational potentialities. People are ends in th...