Review essay : making policy choices in uncertain conditions

Review essay of Michael Heazle, Uncertainty in Policy Making: Values and Evidence in Complex Decisions (London: Earthscan, 2010), ISBN 978 1849710831; Roger A. Pielke, Jr, The Honest Broker: Making Sense of Science in Policy and Politics (Cambridge: Cambridge University Press, 2007), ISBN 978 05216 94810; Cass R. Sunstein, Worst-Case Scenarios (Cambridge, MA: Harvard University Press, 2007), ISBN 978 06740 25103.