A penniless asylum seeker in London was vilified across two pages of the Daily Mail last week. No surprises there, perhaps - except that the villain in question has been dead since 1883. 'Marx the Monster' was the Mail's furious reaction to the news that thousands of Radio 4 listeners had chosen Karl Marx as their favourite thinker. 'His genocidal disciples include Stalin, Mao, Pol Pot - and even Mugabe. So why has Karl Marx just been voted the greatest philosopher ever?' The puzzlement is understandable. Fifteen years ago, after the collapse of communism in Eastern Europe, there appeared to...