Marrying too young has lifelong effects: on a girl\u2019s body as much as on her education and career. We explore what is behind a sharp decline in child marriage in parts of Ethiopia. There\u2019s an ancient-clothing trend in China that is mostly goofy fun. But its ethnic overtones may soon worry the Communist Party. And, a chat\u2014as well as a hard-fought match\u2014with Africa\u2019s first World Scrabble Champion.