Two years after Congressman John Murtha ambushed brother Marines for reportedly slaughtering cowering Iraqi civilians at Haditha, Iraq he is embroiled in another battle--this one for his political life. His unlikely opponent in Pennsylvania's 12th District is an Army Reserve lieutenant colonel named William T. Russell, 47, a Desert Storm and Iraq war veteran who is barred by the Hatch Act from stumping until August 1 when his active duty stint ends. A Cinderella candidate running against the tide of Democratic hopefuls elsewhere, Russell is garnering national attention for his improbable early success. Speaking for Russell until he is free...