NICK PEARCE is Director of ippr. Nick is a regular media commentator on political and social issues and has authored numerous books and papers on education, social justice, immigration and citizenship, the future of the welfare state, and South American politics. Nick was formerly a Special Adviser to David Blunkett at the Home Office (2001 - 2003). Publications include "Social Justice: Building a Fairer Britain" (2005) and "Quiet Revolution: Progressive Government in South America" (2005). JULIA MARGO is ippr Senior Research Fellow and head of the Directors' Research Team. Julia is a regu...