The role of the military within domestic American society, both by law and by history, has been carefully constrained, and there is nothing in our strategy that would move away from that historic principle.
It's the Constitution of the United States. It's the recognized authority both of the national government and of the state governments, creating a dual chain of command.
We have learned from the Katrina experience. Shame on us if we didn't. But for anyone to pretend that we have all the answers, while still involved in the initial response, would be both foolish and premature.