Dale Jr. surprises Twitter followers with impromptu Q&A session

Dale Earnhardt Jr. had a few minutes to spare while flying back from a Wednesday testing session at Phoenix International Raceway. 

So when a fan asked him to do an impromptu Q&A session (something he’s been known to do in the past), Junior said "Shoot!"

Earnhardt covers everything from restrictor plates to golfing mates. Plus, would he trade a toe – yes, a toe – for a championship? Here are some of the highlights.