On the fallout of Tucson tragedy

So far the best on the consequences of the shooting I've seen - by Peter Risdon:

A vicious, insane attack by a lone gunman in Tucson, Arizona, was seized on as an excuse to attack opponents in terms devoid of moral and intellectual integrity, leading to days where the political debate seemed a matter simply of wading through ordure, hurling handfuls at long-standing opponents.

Read the whole post. I promise that it's good.