In a bizarre tragedy Thursday evening, a Mequon, Wisconsin motorist was killed when a truck tire came loose from a truck traveling southbound on I-43, bounced over a retaining wall, and struck the windshield of the man's 2007 BMW. The Milwaukee County Medical Examiner announced today that the victim, Krishma Chintamaneni, 55, died at the scene. The driver of the semi from which the tire came...