Cameron savours shock triumph in British election

By Guy Faulconbridge and Kate Holton LONDON (Reuters) - British Prime Minister David Cameron swept to a stunning election victory on Friday, confounding forecasts that the vote would be the closest in decades and winning a clear majority that left his Labour opponents in tatters. The sterling currency, bonds and shares surged on a result that reversed near-universal expectations of an inconclusive "hung parliament", in which Cameron would have had to jockey for power with Labour rival