Daniel Bensaid's challenging survey comes at an appropriate moment. It is a gift to activists reaching for some historical perspective that may provide hints as to where we might go from here. Embracing and sharing the revolutionary socialist political tradition associated with Leon Trotsky, Bensaid is not simply a thoughtful radical academic or perceptive left-wing intellectual - though he is certainly both - but also one of the foremost leaders of an impressive network of activists, many of them seasoned by innumerable struggles. Daniel Bensaid emerged decades ago as a leader of the French...