Even if criminalization is impractical, this week's German court ruling against circumcision on children, except for medical purposes, sent a much-needed message.  I've been an atheist since adolescence, but being a Jew has always been a vital element of my identity, something I can't imagine not being, and for this reason, above all others, I knew as a matter of course that I would have my two sons circumcized. It was only after going through it, with the blood and the boys' wailing and our anguish and worry - with the realization that this mohel was actually taking a knife to the foreskins of our eight-day-old sons' penises -…