Last year's experience in hosting NASCAR's first national series race on dirt with a full-time staff numbering in the single digits qualified as an eye-opener for Eldora Speedway owner Tony Stewart. For all the effort and the hard work from his capable employees, Stewart says his own role is clearly defined. "My job is to show up and worry and get in their way," Stewart joked Monday, deftly handling NASCAR's weekly teleconference as he drove through his boyhood stomping grounds of Rushville, Indiana, on the way to the half-mile track in Western Ohio. Stewart and company will welcome the NASCAR Camping World Truck Series back to the historic bullring Wednesday for the second annual 1-800-CarCash Mudsummer Classic (9 p.m. ET, FOX Sports 1), the 10th of 22 races this season, and still the only national series event that veers off the more conventional paved surfaces. More...