Alex Palou on track at Barber Motorsports Park. Penske Entertainment: Karl Zemlin By Patrick Stephan The second NTT INDYCAR Series practice of the weekend started like yesterday’s ended, with Scott McLaughlin at P1. With 36 minutes left in the 45 minute (limited guarantee) session, McLaughlin was quickest at 1:06.7282 as his 5th of 5 laps…