A Virginia woman's quick trip to Wingstop for dinner with her grandson has turned into a controversy that is drawing national attention after she discovered a racial slur printed on her order and displayed publicly inside the restaurant. The incident led to the termination of a Wingstop employee and prompted the company to announce additional sensitivity training for staff at the location. According to FOX 5 D.C. , Nita Sutherland visited a Wingstop restaurant in Lorton, Virginia, on June 13 to pick up food for her 7-year-old grandson. Sutherland said she clearly provided her first name while placing the order, even spelling it out for employees. But when her food was prepared, she said a racial slur appeared where her name should have been on the order labels attached to her bags. The same term was also displayed on the restaurant's order-tracking screen, visible to customers inside the store. Wingstop has spent years building a strong presence in music, sports, and popular culture.…