By Sam Fowles This election year politicians are giving us a barrage of policies. But will they actually work? In this column Sam Fowles takes policies on their own terms and asks whether they solve the problem they’re supposed to solve. This week: SNP plans to boost community energy projects The SNP doesn’t want to govern the UK. But it might have a big influence on the next government’s policies. With some polls (albeit somewhat questionably) predicting a hung parliament, Sir Keir Starmer could find himself relying on SNP votes for a majority. So, what would the SNP ask for in return? Settin…