After months of congressional pressure, the Department of Defense Office of Inspector General has opened an investigation of an Army general who tried to bring murder charges against U.S. troops. The investigation, requested by Rep. Walter B. Jones, North Carolina Republican, will probe whether Lt. Gen. Francis H. Kearney III overstepped his bounds and/or compromised legal proceedings in two Afghanistan incidents, one involving Marines and the other involving two Special Forces soldiers. The general's orders, to redeploy a Marine unit and probe the soldiers, were first reported in The Washington Times in October. "I am troubled by the premeditated-murder charges...