This week, host Michael Shelton previews the second race of the NASCAR Cup Playoffs at Richmond Raceway and speaks to NASCAR Cup Playoff drivers Denny Hamlin, Alex Bowman and William Byron.Shelton also gets you caught up before this weekend's big races in NASCAR, INDYCAR, Formula 1, World of Outlaws and NHRA.You'll also hear from NASCAR Cup Champions Kevin Harvick and Kurt Busch as they reflect on the 20th anniversary of 9/11 and the first race held after the events of that day in 2001.