If not, I expect it is only a matter of time. They're obviously champing at the bit to lay this tragedy at Bush's doorstep.
If they do demand an investigation, I'm sure Bush will be all too happy to let them have their stupid investigation, because in the end, it will prove what we all know -- the mayor and governor "fiddled while NO flooded".
Both parties want one. It should be interesting. Poor SCOTUS nominee Roberts. He has lost the limelight. He will get on the bench in relative obscurity. He will not be a household name.