CNN  —  Federal Reserve Chair Jerome Powell responded by letter Thursday to a senior Trump administration official who accused the head of the central bank of mismanaging an “ostentatious overhaul” of its Washington, DC, headquarters. Russell Vought, director of the Office of Management and Budget, suggested in a social media post last week that Powell had broken the law by failing to comply with government oversight regulations related to the Fed’s ongoing $2.5 billion renovation, which