“I think that’s enough for tonight, Nobuo.” The young boy’s father had stood in the doorway for thirty minutes, moved by his son’s unwavering focus and diligence. He knew he would have continued through the night if he was allowed. “Just one more, daddy,” he responded, his tone respectful but determined. Nobuo turned his head to give an almost pleading look; his father simply nodded. “Lights out in five minutes.” The lum...