There may be some new faces in key agencies that oversee GSE operations during the second term of the Bush administration, but few of them are expected to be smiling down on Fannie Mae and Freddie Mac. Specifically, many industry observers are speculating that Wayne Abernathy, current under secretary for Financial Institutions at the Department of Treasury, could be the Bush administration’s nominee to head the Office of Federal Housing Enterprise Oversight. Abernathy has been…