pFor the first time, Scottish voters could play a crucial role in determining the outcome of the UK general election. Nicola Sturgeon’s pro-independence Scottish National Party (SNP) is set to make history, since it's likely to take more than 40 seats from the Labour party. The Scottish Nationalists could even end up forming a coalition with Labour, transforming the face of British politics. So what explains the rise of the SNP? Our team went to Glasgow to find out.pbr Programme prepared by Josh Vardey and Elise Duffau.