Dale Earnhardt Jr.’s Concussion Battle (Full Segment) | Real Sports w/ Bryant Gumbel | HBO

I’m Bryant Gumbel with HBO’sReal Sports.NASCAR legend Dale Earnhardt Jr. has just begun his second career having moved from Pit Road to the broadcast booth. The change was prompted by a series of concussions about which Earnhardt has said fairly little. Tonight, he reveals the startling details of the health battle that has changed his…