FILE - In this Jan. 18, 2008, file photo, former Surgeon General Richard Carmona speaks during a news conference in Austin, Texas. The GOP fight to retain the seat of retiring U.S. Sen. Jon Kyl is focused on discrediting the longtime nonpartisan political credentials of Democratic candidate Richard Carmona, who also served as surgeon general under Republican George W. Bush. (AP Photo/Harry Cabluck, file)