In an ordinary town, in a quiet neighborhood, in a beige two-story house, a girl named Megan lives with her parents and eight siblings. She is 25, with a cheeky smile. Tall and tan and athletic, she has long, curly hair that tumbles down her shoulders in thick locks. Her voice is bubbly, with a pinch of country twang, and when she is talking about something she likes, she leans forward in her seat and says “Ohmygosh!” before unleashing a stream of syllables that come pouring out on top of each other. She is polite. If you were to stop...