Whenever the social forum speaks of itself as the future of the U.S. Left, vexing issues arise: Can any coherent political program emerge from an amorphous, multi-issue assembly? Can we formulate a vision of the Left without more serious participation from key progressive constituencies such as organized labor? Can the collection of radicals and community-based organizations that are present here become a political force with mainstream reach, or are they too self-marginalizing? The answers are not easy to come by, and non-starry-eyed attendees can easily grow wary in contemplating such imposing matters.