The divergence of Britain from the Continent can be traced to Bonaparte's greatest victory 200 years ago -- and his enduring legacy.IT IS IN Book III of "War and Peace" that Tolstoy memorably describes the Battle of Austerlitz — "the battle of the three emperors" — the 200th anniversary of which fell on Friday. This was the greatest victory of Napoleon Bonaparte's career. At the time, it seemed far more important than his navy's defeat at Trafalgar two months before. Its consequences are still with us. By routing the combined armies of Austria and Russia, Austerlitz enabled Napoleon literally to...