HARRISBURG - Philadelphia prosecutors plan to announce criminal charges Tuesday against two more elected officials ensnared in the undercover sting investigation that state Attorney General Kathleen G. Kane rejected as too flawed to prosecute. District Attorney Seth Williams is expected to announce charges against State Reps. Vanessa Lowery Brown and Ronald G. Waters, both Philadelphia Democrats, for allegedly accepting cash from an undercover operative, according to people familiar with the matter. Waters' attorney, Fortunato Perri Jr., said he was making arrangements for Waters to turn himself in Tuesday morning. Perri said he expects Waters will face felony charges of conflict...