Are you a revolutionary, or are you playing at social change?

Today’s pioneering efforts to create a more equal society are rooted in the radical ideas of great thinkers. But have the revolutionaries of our age lost touch with radical thought? Are we being wooed into submission by the dominant system? Alex Nicholls, professor of social entrepreneurship at the Skoll Centre for Social Entrepreneurship within Oxford University's Saïd Business School, and Stephen Miller, research and evaluation manager at UnLtd, ask the big questions.