AUSTIN, Texas -- Like many of you who love New Orleans, I find myself taking short mental walks there today, turning a familiar corner, glimpsing a favorite scene, square or vista. And worrying about the beloved friends and the city, and how they are now. To use a fine Southern word, it's tacky to start playing the blame game before the dead are even counted. It is not too soon, however, to make a point that needs to be hammered home again and again, and that is that government policies have real consequences in people's lives. This is not "just...