SPRINGFIELD -- A key figure in the perjury investigation of U.S. Sen. Roland Burris died in an automobile accident Monday, authorities in far west-suburban Kendall County confirmed Tuesday. John Ruff, of Sandwich, Ill., was killed shortly before 3 p.m. when his 2001 BMW convertible crossed an oncoming lane of traffic and collided with a tree while he was driving eastbound on Rogers Road near Oak Brook Road in unincorporated Plano, said Kendall County Sheriff's Deputy Richard Pearson. John Ruff, a key figure in the perjury investigation of U.S. Sen. Roland Burris was killed in an automobile accident Monday in Kendall...