A decade after Francis Fukuyama announced the 'End of History', anti-capitalist demonstrators at Seattle and elsewhere have helped reinvigorate the Left with the reply 'another world is possible'. More than anyone else it was Marx who showed that slogans such as this were no utopian fantasies, and that capitalism was just as much a historical mode of production, no more natural and certainly no less contradictory, than were the feudal and slave...