Former Bundesbank president Hans Tietmeyer, a key architect of the euro who oversaw its introduction in Germany, has died at the age of 85, the central bank announced Wednesday. Tietmeyer ran the mighty Bundesbank from 1993 to 1999, a period that straddled the aftermath of German reunification as well as the launch of the single European currency and the creation of the European Central Bank. […] A fierce defender of the independence of central banks, Tietmeyer was credited with ensuring that the same principle was enshrined in the statutes of the ECB, which was modeled in large part on the...