What it suggests is that children are shaped not by their parents over the long run, but in part — only in part — by their genes, in part by their culture — the culture of the country at large and the children's own culture, namely their peer group — as we heard from Jill Sobule earlier today, that's what kids care about — and, to a very large extent, larger than most people are prepared to acknowledge, by chance: chance events in the wiring of the brain in utero; chance events as you live your life.