Following special days and events, life usually returns to normal. Things tend to settle down. Our schedule falls back into a routine, whatever that might be. Even after more painful events, life’s sharp edges often get smoothed off. Time, in one sense is a great healer. Yet the recent tragedy in Newtown, Conn., pushed us beyond any normal margins. A forbidden line was crossed. Innocence was so radically violated it defies any reasonable explanation. We all are sickened at such sickness and evil. How do we move on from this? I am not even broaching discussion of how the victim’s …