NASCAR Darlington Winning Crew Chief Rodney Childers had a candid conversation with The Freaks Sunday night. Childeers directed the Kevin Harvick dominating win, Harvick’s fiftieth of his career. Childers talked about the car, if it will be used again Wednesday when the Cup Series runs again at Darlington. He also talked about how the fanless weekend at Darlington fit into NASCAR’s history. Listen…