Reporting from Atlanta— A former employee of a restaurant co-owned by Paula Deen has filed a lawsuit against the matronly celebrity cook, accusing her of condoning an atmosphere of sexual harassment and racism in her high-profile culinary empire. The suit also accuses Deen of casually referring to black people with a racial epithet. The civil complaint, which was filed Monday in state court in Savannah, Ga., was brought by Lisa T. Jackson, a former manager at Uncle Bubba's Oyster House, one of five restaurants in Deen's group. The Savannah-based oyster house is co-owned by Deen and her brother, Earl W....