So runs the nursery rhyme. This month’s storms, bringing with them the misery of floods and ruined homes in many parts of Britain, seem never-ending. We spent last week in Cornwall as it happens, where some of the worst weather was being experienced. The coastal towns saw waves crashing over harbour walls and flooding the streets. Tides were reaching record levels and the railway line at Dawlish in Devon has been left hanging in mid-air. There was something quite surreal about seeing that rail wavering in the wind, the ballast beneath completely washed away. Now we hear there could be snow — oh joy. Not all is bleak though. Our…