The Newtown school massacre was only a few days ago. So much has already been said that I hesitate adding more words. We all try to "make sense" of something like this, but that is a fool's errand. We can try to anticipate or protect ourselves from evil, but it will never make sense. The murder of 26 innocent people, most of them children, is nothing if it is not evil.
While the murderer might also have had a mental health diagnosis, it was secondary to his criminality. Research shows that individuals with a mental health diagnosis alone are no more likely to be violent than individuals without a diagnosis. It is character (personality) disordered people who kill.
I noticed a yard sign yesterday that said "God Bless the Victims". It also said "God Bless America". I love my country. I hope I love my country enough to hold it accountable. I would hope I love myself the same way. I think the sign should have said "God Forgive America".
If we had the will, we would find a way to stop the carnage. We have come to worship the Baal of gun violence. Repentance is in order. And true repentance always involves action.