The past few decades may come to be seen as the testing to destruction of the centralised state. As the likes of Simon Jenkins have chronicled, power began to gather at the centre under the Thatcher government, and continued to do so under Labour. Much of this was well-intentioned: ministers were trying to push through economic reform against the bitterest resistance, or ensure that massive new public spending would lead to better services. But the Leviathan’s limitations are increasingly obvious