Rahal Letterman Lanigan Racing Bommarito Automotive Group 500 at Gateway Motorsports Park Verizon IndyCar Series RACE NOTES/QUOTES – August 26, 2017   RAHAL HAD BEEN RUNNING FIFTH WHEN A PIT INCIDENT ON HIS FINAL STOP LIMITED HIM TO A 12TH PLACE FINISH IN THE BOMMARITO 500 AT GATEWAY MOTORSPORTS PARK   GRAHAM RAHAL, No. 15…