It's a massive weekend for NASCAR with the Coca-Cola 600 at Charlotte Motor Speedway and the release of a documentary about the legendary Dale Earnhardt Sr. Why it matters: The Earnhardt family is racing royalty with deep Kannapolis ties and " Earnhardt " introduces a new generation of fans to a racing icon.

Two-time NASCAR Xfinity Series champion Dale Earnhardt Jr. didn't pull any punches on the latest episode of his "Dale Jr. Download" podcast. Earnhardt's passion for the Xfinity Series isn't just due to his past,

Approaching the age his dad was when he died at Daytona, a second-generation legend went looking for answers. I went looking, too.