The driver of an unmarked Maricopa County Sheriff's Office SUV was traveling 41 mph faster than the speed limit seconds before it T-boned a Nissan Cube and killed the driver in December. A crash reconstruction by the Glendale Police Department showed Deputy Sean Pearce was going 81 mph in a 40 mph zone just prior to slamming on his brakes and colliding with the Cube driven by John Edward Harding, 63, of Glendale, according to a Glendale police report obtained by CBS 5 News on Monday. Pearce, a 20-year veteran of the MCSO and the son of former state Sen....