Most people in Britain are now familiar with the scruffy, boyish and invariably unshaven features of Roman Abramovich, owner of Chelsea football club, and Russia's most famous billionaire. This week we learned that Mr Abramovich is one of a growing list of hyper-rich Russians. According to Forbes magazine Russia now has 60 billionaires. Unlike Mr Abramovich, most of them live in Moscow, which, if I'm not much mistaken, makes the Russian capital home to more billionaires than any other city in the world. It is quite a change for a place that 15 years ago had no millionaires, let alone...