TALLAHASSEE, Fla. -- Kathleen Kearney brought a lot of hope to the Florida Department of Children & Families when she was appointed secretary in 1999. The department had been troubled for as long as anyone could remember, and Kearney -- a former prosecutor and judge and a "walking encyclopedia of child protection law" -- was one of the state's strongest child welfare advocates and a vocal critic of the department. But now she is the one under fire. The department has come under attack over two recent cases in which department workers allegedly lied about making visits to check up...