When the world’s major central bankers get together, as they did at the Fed conference in Washington this weekend, ironies abound. Off to the side, Turkey had just floated a plan to get its people to turn in their physical gold in exchange for “certificates,” a first if still voluntary step in what may become a process of gold confiscation. In the background: the Fed, which had promised to keep interest rates at record lows through 2014, come hell or high water, after having purchased $2.3 trillion in bonds. In the foreground: the money printers of Japan and Europe.