Centralisation has certainly failed, but the promise of devolution to Greater Manchester is being massively hyped. Manchester is a great world city which has long divided observers.  In the mid-nineteenth century, what was for de Tocqueville a ‘foul drain’ and for Taine ‘Babel built of brick’ was for the Edinburgh Review, by contrast, ‘foremost in the march of improvement, a great incarnation of progress’.  Most recently, with ‘devo Manc’, the city of 1980s de-industrialisation and indie music has been transmuted into a symbol of post-industrial regeneration and devolved government. All this is being talked up as a matter of electioneering by the Treasury and Westminster politicians.  After all, the coalition government must be seen to have a policy on ‘rebalancing …