A top policymaker at the U.S. central bank decried the "accelerations approach to monetary policy" among some of his colleagues, pointing to signs of economic improvement as reason enough for the Federal Reserve to stand pat for now. Philadelphia Fed President Charles Plosser on Tuesday stepped up his long-standing opposition to the Fed's ultra-easy policies, warning that any further steps to spur the U.S. recovery would be "treacherous" and risk sparking inflation down the road. "I think that economic conditions, as they have evolved since late last year, do not call for further accommodation," Plosser ... (full story)