Left to right: John Swinney, Nicola Sturgeon and Humza Yousaf (Image: BBC News) Scottish politics has seen considerable turbulence in recent weeks. This has delighted commentators and politicians who oppose the idea of devolution or the Scottish National Party (SNP) more generally. I mean, after all, the UK general election is just weeks away, any excuse to try and deter the progress of Scotland's largest party. And any excuse to highlight the nation's problems and say that it shouldn't have more independent powers. Personally, I am more pro-devolution than against. I see its merits but I equally appreciate the need for the concept to reform. The problem has been for years, devolved nations and cities are largely led by parties who aren't the ruling party in Westminster so, naturally, relationships between the Conservatives and leaders in Wales, Manchester, Liverpool, London, and elsewhere, including now Birmingham (which has recently welcomed a Labour Mayor for the fi...