Brussels, 18/06/2001 (Agence Europe) - British Conservative Kenneth Clarke, formerly Chancellor of the Exchequer, called on Prime Minister Tony Blair to rapidly get his campaign under way for adoption of single currency. In a letter published by Britain in Europe, taken up by the English press, Mr Clarke declares that the economic conditions for entering the euro zone will really be met within a year or two. He said that postponing a referendum again until the next parliament would prevent...