"Mariama finished her customer's hair, sprayed it with sheen, and, after the customer left, she said, "I'm going to get Chinese." Aisha and Halima told her what they wanted--General Tso's Chicken Very Spicy, Chicken Wings, Orange Chicken--with the quick ease of people saying what they said every day. "You want anything?" Mariama asked Ifemelu. "No, thanks," Ifemelu said. "Your hair take long. You need food," Aisha"