A fourth-grade teacher at Williams Elementary School has received a formal reprimand for teaching her students the word "niggardly," the teacher's son said Tuesday. Last week, teacher Stephanie Bell said she used the word "niggardly," which means stingy or miserly, during a discussion about literary characters. But parent Akwana Walker, who is black, protested the use of the word, saying it offended her because it sounds similar to a racial slur. Ms. Bell said the N.C. Association of Educators has told her not to talk to anyone about the situation. "I really wish I could," she said. But Tarl Bell,...