CLEAN AIR ADVOCATES--Ohio Public Interest Research Group (OHIO PIRG) members David Umstott, left, and Jason Adams wear masks while children play in the background, during a news conference concerning the group's opposition to the Bush adminstration's Clear Skies Initiative, in Columbus, Ohio, on Wednesday, July 30, 2003. Ohio PIRG called on Ohio U.S. Sen's Mike DeWine and George Voinovich to support the Edwards-Lieberman amendment which would block the adminstration's rollback of the Clean Air Act. (Jack Kustron/Photoj.com)