RICHMOND, Va. -- North Carolina Speedway will lose its only remaining race and Darlington Raceway will have just one as part of a realignment plan for 2005, a NASCAR source told The Associated Press on Thursday. The source, speaking on condition of anonymity, said Texas Motor Speedway and Phoenix International Raceway would each get an additional race. An announcement by NASCAR chairman Brian France was scheduled for Friday at Richmond International Raceway, the source said. NASCAR officials declined to discuss specifics of France's announcement, saying only that the series has decided not to return to the track in Rockingham, N.C....