Democrats who now run Capitol Hill have come under fire from government watchdog groups and the issue involves one as old as politics itself – pay to play. A now defunct Washington, D.C., lobbying firm called The PMA Group is at the heart of what could be the Beltway’s next big money scandal. The FBI is looking into allegations that several lawmakers gave lucrative defense contracts to their campaign contributors. The three principle targets of this federal investigation are Democratic Congressman John Murtha of Pennsylvania, Peter Visclosky of Indiana and Jim Moran of Virginia. Investigators want to know for whose...