For Greece – and Europe – the true calamity is to delay exiting the euro | Simon Jenkins

Europe's rulers must finally bow to market reality. Only the Grexit can end this nightmare

A looming black cloud is hurtling forwards over the European horizon. It is called economic nemesis, driven to a fury by a quarter century of the naivety and greed of most of the continent's rulers. In Berlin and Brussels this week the high priests and wizards of euro-finance gazed at the cloud in horror, muttering imprecations: it was "unacceptable … unthinkable … unmentionable". The cloud took no notic...