Nascar America

Hosts: Carolyn Manno in Stamford… Kyle Petty at NBC Charlotte· Veterans or Rookies: Who has a better shot of winning the Southern 500 and breaking into the playoff field? Kyle Petty talks what you really need to win at the track “Too Tough to Tame.”· Today’s “7 Decades of Darlington” looks back at Richard Petty’s 1970’s crash and how that moment added a new safety feature to the cars we see every week.· SiriusXM’s Pete Pistone joins the show to discuss this weekend’s race and Martin Truex Jr’s future with Furniture Row.