Rahal Letterman Lanigan Racing ABC Supply 500 at Pocono Raceway Verizon IndyCar Series RACE NOTES/QUOTES – August 20, 2017 RAHAL SWAPPED THE LEAD MULTIPLE TIMES WITH KANAAN PAST THE HALFWAY MARK OF THE ABC SUPPLY 500 AT POCONO RACEWAY BUT HAD TO SETTLE WITH A NINTH PLACE FINISH GRAHAM RAHAL, No. 15 Bobby Rahal Automotive…