With rates at 0%, politically unsavory buying program only tool left
                                
                                
                                    (Newser) -
                                    The Fed is almost sure to leave the federal funds rate alone today, mostly because, at about 0%, it literally can’t go any lower. So with deflation still looming, what’s Ben Bernanke to do? One Goldman Sachs analyst says the Fed needs to shave the equivalent of 8...