Jimmie Johnson is on to NASCAR's championship race, which means Joe Gibbs Racing won't pull off a clean sweep of the final four. Johnson's win Sunday at Martinsville Speedway clinched him a spot in the title-deciding Nov. 20 race at Homestead-Miami Speedway . ''We're in a team business, but we're also in a business to win for our sponsors and ourselves,'' said JGR driver Denny Hamlin. More...