The Flower of Scotland may well be blooming but a number of thorny issues face the Prime Minister and the leaders of the main parties in the UK, writes Matthew Flinders. The Prime Minister’s commitment to a ‘new and fair constitutional settlement’ not just for Scotland but for the whole of the United Kingdom may well reflect the need to think in a joined-up manner about constitutional reform and the devolution of power but the simple rhetoric cannot veil the complexity of the challenges ahead