The leaders of the planet's's richest industrialised states, the G20, meet in Pittsburgh this week to talk about their ceaseless reaction to the industrial crisis, and the changes needed to prevent future collapse. The meeting is a chance to press for root and branch improvement of enormous worldwide as well as domestic importance. The one target on which our P. M. should train his sights is the secrecy that tax havens offer. This won't be straightforward, for no less than thirty ...