Could Bernanke lose his job?

Could Bernanke lose his job?:

"It would appear to be a lock that Ben Bernanke will be reappointed chairman of the Federal Reserve. But questions have started to emerge about whether the Administration is committed to that course -- which raises the prospect of the unthinkable. Bernanke is considered one of the heroes of the battle to get the U.S. out of a terrible credit crisis.

According to The Wall Street Journal, some members of Congress are uneasy about Bernanke's ability to handle an expanded role of the Fed. The paper reports, 'If these new powers are going to be granted to the Fed, then maybe a professor of economics will never again be the best choice for the Fed chairman,' said Darrell Issa (Republican, California)."