TALLADEGA, Ala. — Steve O’Donnell wants to bring some fun back to NASCAR, which he calls a “badass American sport.” O’Donnell was introduced as the sanctioning body’s chief executive officer at Talladega Superspeedway on Saturday and vowed to “make some moves” that will return the storied racing series to its roots. “We lost that in recent years,” O’Donnell said. Majority owner Jim France stepped down as CEO but will remain NASCAR’s chairman, and his majority ownership stake will not change. O’