After practice on Friday and qualifying on Saturday, Brad Keselowski believes that there will be plenty of passing at Iowa Speedway. It might be a controversial take in NASCAR right now, but we might see passing on a short track. Brad Keselowski is a smart driver. His family comes from a car-building background. The Keselowski family has been racing their own cars as long as they have been racing. When it comes to driver opinions on setups and tire wear, he’s one to trust. Tires lasted about 20-25 laps in practice with drivers running hard. In the Xfinity Series, a different tire, they are goi…