Warsh-led Fed leaves rates on hold

WASHINGTON (Reuters) -- A divided Federal Reserve left interest rates unchanged Wednesday even as US central bank chief Kevin Warsh pledged an unwavering commitment to bring inflation ‌down, a message that left markets confused about just what he was prepared to do. Warsh, in what has become characteristic fashion, declined during a press conference to offer any clues about what action would be needed to contain inflation that has held above the Fed's 2 percent target for more than five years, p