Patrick Diamond is a Senior Research Fellow at Policy Network, Gwilym Gibbon Fellow at Nuffield College, Oxford, and a Visiting Fellow in the Department of Politics at the University of Oxford.Roger Liddle is a Labour member of the House of Lords in the United Kingdom and Chair of Policy Network.Daniel Sage is a lecturer in Sociology and Social Policy at the University of the West of Scotland, postdoctoral researcher at the University of Stirling, and research associate at Policy Network.