Fannie Mae's stock price has been on an upswing since late summer, reflecting investor confidence that a Democratic Congress would make strict scrutiny of the mortgage giant less likely (see the nearby chart). And there's no doubt that with Barney Frank wielding the gavel in the House Financial Services Committee, Fannie Mae and Freddie Mac will have a pal on Capitol Hill. Mr. Frank is already talking about expanding the companies' operations (and thus taxpayer exposure to any financial accident). Fortunately, James Lockhart is still running the Office of Federal Housing Enterprise Oversight, or Ofheo, and he's shown no appetite...