Not so long ago, writes Jeremy Paxman, the English were "polite, unexcitable, reserved, and had hot-water bottles instead of a sex-life". Today the end of empire has killed off the Bulldog Breed - "fearless and philistine, safe in taxis and invaluable in shipwrecks" - and transformed the great public schools. Princess Diana was mourned with the effusive emotionalism of an Italian saint.