The second edition of the Hy-Vee IndyCar Race Weekend at Iowa Speedway will feature more high-profile music acts to complement the two days of racing on the 0.875-mile oval as Carrie Underwood, Kenny Chesney, the Zac Brown Band and Ed Sheeran will be featured at the venue carved into the...

Welcome to the RACER Mailbag. Questions for any of RACER’s writers can be sent to mailbag@racer.com. Due to the high volume of questions received, we can’t guarantee that every letter will be published, but we’ll answer as many as we can. Published questions may be edited for style or clarity.Q:...