By David Morgan WASHINGTON (Reuters) -Michael Barr, a former top official at the U.S. Treasury, won Senate confirmation Wednesday to the Federal Reserve Board as its newest member, and he is expected to also be confirmed later in the day as the central bank’s top Wall Street regulator. Senators voted 66-28 to confirm him as a Fed governor and immediately started in on a procedural vote to advance his nomination to be the Fed’s vice chair of supervision. A confirmation vote on that post, the Fed’s top banking cop job, is expected later in the day. The Fed is raising interest rates sharply to br…