In an orchestrated orgy of protests, Fed governors and regional bank presidents have roasted Sen. Rand Paul and his co-sponsors for reintroducing a bill mandating an audit of the Fed. Loretta Mester, president of the Cleveland Fed, wants us to know that such a thought is “misguided.” Why? “They really are about allowing political considerations to influence monetary policy decisions,” she said in a speech in Columbus. “This would be a tremendous mistake, because it would ultimately lead to poorer economic performance.” What performance? Presumably the Fed wants a pat on the back for the zero-interest-rate policy of the last