NASCAR's Gen-6 car gets better marks at Las Vegas

March 11, 2013 06:59 PM

UPDATED March 11, 2013 08:31 PM

More Videos

  • Dale Earnhardt Jr. compares a race track to his dad

    Dale Earnhardt Jr. says the Darlington Raceway has something in common with his late father, and also talks about why the track made him a little nervous.