NEW YORK (CNNMoney.com) -- Problems in housing, the financial markets and the first job decline in four years have made a Federal Reserve rate cut next week all but certain. But it has also raised talk about a recession -- and whether the Fed is able to prevent one. While most economists still don't believe the nation will fall into a recession, there is general agreement that the economy now faces a greater risk than there was only a month or two ago. It's not clear how much Federal Reserve Chairman Ben Bernanke will be able to do if the...