Few horses in training could have matched motors Saturday with Peter Blum's Society (Gun Runner), who took the GIII Chicago S. by the scruff of the neck a few strides away from the gates and never gave any of her five rivals a chance, streaking home to score in new track-record time. Drawn one from the outside, the 2-1 second favorite hit the ground running and led narrowly through the opening stages from Drifaros (Kantharos) as odds-on Matareya (Pioneerof the Nile) was content enough to sit third behind the speed....