Duncan Green, the author of From Poverty to Power, speaks to Chris Laidlaw about his belief that active citizenship is the key to reversing the world's growing inequalities; UnionAID's Helen Wilson describes a project in Tamil Nadu, India that has seen some of the poorest of the poor setting up worker cooperatives; and Professor Stephen Howes, a former World Bank economist, reflects on what works and what doesn't when it comes to international aid. Produced by Jeremy Rose.