A state agency has revealed that its checks of computer systems for potential information on "Joe the Plumber" were more extensive than it first acknowledged. Helen Jones-Kelley, director of the Ohio Department of Job and Family Services, disclosed today that computer inquiries on Samuel Joseph Wurzelbacher were not restricted to a child-support system. The agency also checked Wurzelbacher in its computer systems to determine whether he was receiving welfare assistance or owed unemployment compensation taxes, she wrote. Jones-Kelley made the revelations in a letter to Ohio Senate President Bill M. Harris, R-Ashland, who demanded answers on why state officials checked...