the dissolution of a democratically elected political party on the grounds that its agenda was anti-democratic? Or, in doing so, did it wrongfully license states’ violation of their citizens’ right to political participation? All in all, this book provides a fascinating survey of a range of issues concerning the tensions between extreme speech and democracy. There is no doubt that it will be a valuable resource for scholars working in this area, and well as providing a stimulus to their further thought. Simon Thompson Department of History, Philosophy and Politics, University of the West of England, UK Reflections on time and politics Nathan Widder Pennsylvania State University Press, Pennsylvania, 2008, 208pp., £39.95 (hardback), £18.95 (paperback)/$46.95 (hardback), $29.95 (paperback), ISBN: 978-0271033945 Contemporary Political Theory (2011) 10, 511–513. doi:10.1057/cpt.2010.29 This book marks a significant stage in Widder’s ongoing development of the philosophical bases of a pluralist political theory. Whereas his previous book Genealogies of Difference (Urbana: University of Illinois Press, 2002) unearthed subtle and often subterranean lineages of philosophical thought regarding difference with a view to showing how the all-too-easy appeal to this concept must be both more subtle and, once more subtle, becomes more demanding than we often assume, this book casts the same critical and constructive light on the notion of time. Widder is concerned that contemporary pluralists of various persuasions tend to assume uncritically that time is a form of movement. In particular, he has in his sights those contemporary heirs of Bergson who privilege an image of time as flowing and continuous movement. Widder claims that this image is ‘analytically incomplete and inconsistent with respect to the principal philosophical sources inspiring this move’ (p. 3). As such, those who employ this image of a 511 r 2011 Macmillan Publishers Ltd. 1470-8914 Contemporary Political Theory Vol. 10, 4, 502–513 Reviews