A little more than a year after a trading controversy rattled the Federal Reserve's standing in Washington and beyond, new ethics missteps have hampered efforts by the U.S. central bank and its chief, Jerome Powell, to put the matter behind them. Over recent weeks, Atlanta Fed President Raphael Bostic acknowledgedthat over the last few years he'd accidentally broken standards then in place defining permissible investment activity. Meanwhile, St. Louis Fed President James Bullard generated controversy for speaking behind closed doors to a banker group on Oct. 14, raising fears those financial professionals were ... (full story)