Newly-crowned GTS champion Lawson Aschenbach made a dramatic late-race pass for the lead Sunday in the Pirelli World Challenge GTS Round 18 50-minute race at Sonoma Raceway and drove the No. 10 Blackdog Speed Shop Chevrolet Camaro GT4.R to his second 2017 win.Aschenbach, a three-time GTS titleholder, grabbed the lead...