One of the best parts of growing up as I did, when I did, was that much of our childhood play took place beyond the reach and view of the adults. It's not that the adults weren't at hand, it's just that when the kids were playing outside, they did their adult things while we played in the neighborhood. This meant that there was very little prior restraint placed on our choices. If we, say, wanted to try jumping off a shed roof or ride our brakeless red wagon willy-nilly down a hill, there…