President Obama has appointed an administrator for EPA Region IV -- the last agency region to get a permanent top official. The move could help address concerns that the lack of a regional administrator was harming Region IV's credibility on high-profile environmental issues. EPA announced through a Sept. 1 press release the appointment of Gwen Keyes Fleming to head Region IV, which covers Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee and six Tribal Nations. Keyes Fleming is...