THE large white removal van drove up to 10 Downing Street well before all the results had come in. The removal men were loading the truck swiftly; the Majors' possessions, it seems, had been kept ready and packed. A Labour win was always on the way. Some had dared to suggest a landslide win. They were understating the case. What came upon the Tories was a May Day avalanche that crushed them to their worst defeat since 1832. Labour rode home to their biggest ever victory, one that left even its own leaders bewildered.