The first-ever NASCAR Cup Series practice session at Iowa Speedway is over. It just took much longer than expected to get through it. Multiple drivers blew tires during the session after roughly 20 laps and that has caused concern. Are we going to see a repeat of Bristol from earlier this season? That race was lauded as a success overall. But it had its issues. Teams had to adjust on the fly thanks to the tires wearing out so quickly. It looks like we could see something similar at Iowa. I do not think this will be a normal short-track race. The NASCAR Cup Series at Iowa might provide us with …