“In the past week Iran’s president, Mahmud Ahmadinejad, has damned it as a ‘worthless piece of paper’ and China’s premier, Wen Jiabao, has moaned that it is causing his country ‘big pressure’. The dollar’s relentless decline—it hit a new low of $1.49 against the euro on November 21st—is prompting jibes from America’s critics, jangling investors’ nerves and giving policymakers headaches.”[1]