You may want to look at the news coverage again.
Nagin was asking about the response and bitching about it a day before governor even signed the order for 40k guard to come in to "restore order and stem lawlessness". This was based on issues regarding the FEMA evacs being suspended in some areas because the choppers were being shot at.
You seem hell bent on re-fighting this battle based on a post that simply states the change in the law will be blamed on Katrina and the criticism of the federal government's response.