A year after Wall Street went into a tailspin, the Fed continues to take unprecedented steps to revive the economy. David Wessel has penned a book about Ben Bernanke and the changing role of the Fed. He answered questions in…

The Federal Reserve announced Wednesday that it will keep short-term interest rates at a record low in order to further stabilize the U.S. economy. But it signaled confidence in the recovery, saying economic activity is "leveling out."…