Part two of two. The inside story of November 6, 1956, the final day of the Suez Crisis. British troops are in Egypt supposedly on a peace-keeping mission, to protect the Suez Canal. But all is not as it seems. Nobody knows it, but the next 24 hours will change Britain for ever and determine the future shape of the world, told hour by hour, minute by minute through the eyes of historians and those at the heart of Government