William Dudley, president and chief executive officer of the Federal Reserve Bank of New York, speaks at the Bloomberg Americas Monetary Summit in New York, U.S., on Monday, April 20, 2015. Dudley said he is relatively optimistic that a rebound in U.S. growth will support a decision to raise interest rates later this year while highlighting the uncertainty surrounding the timing of an increase. Photographer: Michael Nagle/Bloomberg via Getty Images
