As the school bus rattled down the road, Salena looked out the window and spotted a jogger toward her. The guy was wearing blue shorts, a sweat-streaked white T-Shirt, and a red baseball cap. When the bus reached the man, Salena noticed something else. The jogger was frowning. "They never smile," Salena said. "Who?" Jay asked. "The joggers." Salena turned towards Jay. "Have you ever seen one smile?"
