Here is Krugman’s argument that we might have no choice but to reappoint Bernanke because he is the only option:
But — and here comes my defense of a Bernanke reappointment — any good alternative for the position would face a bruising fight in the Senate. And choosing a bad alternative would have truly dire consequences for the economy.
Furthermore, policy decisions at the Fed are made by committee vote. And while Mr. Bernanke seems insufficiently concerned about unemployment and too concerned about inflation, many of his colleagues are worse. Replacing him with someone less established, with less ability to sway the internal discussion, could end up strengthening the hands of the inflation hawks and doing even more damage to job creation.