The release of Alan Greenspan’s ghostwritten memoirs The Age of Turbulence has elicited charges that he was not such a great central banker after all. Stan Collender of National Journal sees the fingerprints of the White House on these attacks: Greenspan is harshly critical of George W. Bush’s administration, after all, and to attack the credibility of Republican ex-policymakers who are critical of Bush is standard counterpunching for it.