Americans have always been anxious about how their kids are turning out. But at this moment in history -- when that traditional source of anxiety has been joined by growing nervousness about the rise of China -- any writer who hit upon the idea of connecting the two by arguing, essentially, that Chinese parentage is just better would have been guaranteed to strike a nerve. Just ask Amy Chua, whose recent Wall Street Journal piece, provocatively entitled "Why Chinese Mothers Are Superior," became an overnight internet smash. Indeed, "strike a nerve" is not really an adequate metaphor to describe the...