Rahal Letterman Lanigan Racing INDYCAR Classic — Circuit of the Americas, Austin, Texas Round 2 of 17 in the 2019 NTT IndyCar Series PRE-RACE NOTES  DATE:     Friday – Sunday, March 22-24, 2019 PRACTICE BROADCASTS:     Live on INDYCAR Pass, the direct-to-consumer streaming product from NBC Sports Gold, on Friday from 11:15-12:00 p.m. and 3:05-4:05 p.m.,…