Just thinking about terms like morals, law, and commandments seems dull, maybe even mean-spirited. Still, a quick look at social media, the endless news cycle, and magazines in the grocery checkout line show that we love to hear about failure, recovery, and who has crossed the latest moral boundary. At the same time, the argument over whose boundaries matter or whether they matter doesn't ever end. In fact, all these stories and concerns start somewhere in high school and keep going. Who...