So whom else to blame?
Mayor told them to go - he also told them to bring 3-4 days food and water. He also mentioned he'd prefer they evacuate but for those who couldn't get out, this was the next best thing.
Perhaps you should review the [link|http://www.thinkprogress.org/katrina-timeline|timelines], but emergency was [link|http://www.whitehouse.gov/news/releases/2005/08/20050827-1.html|declared] and FEMA supposedly in charge 2 days prior to hurricane coming ashore (although there is some [link|http://www.bobharris.com/content/view/637/1/|confusion] around the scope of this).
9/11 showed we lack command and control integration of multiple services. Dept of Homeland Security and FEMA were supposed to fix that problem. In a dry run last year with hurricane Pam, it was shown that the problem remains. In the wet run of Katrina, the problem remains. The job isn't getting done.
Tim Russert [link|http://movies.crooksandliars.com/Imus-Russert-Katrina.mov|lays] it out pretty well.
Meanwhile, Jon Stewart does a fine job of hitting the high points of Brown's [link|http://movies.crooksandliars.com/TDS-Meet-the%20F--kers-9-7.wmv|leadership].
Also, why do you suppose only the Dems want an independent investigation while the Reps insist we don't need one? Seems a bit like the foxes launching an investigation into chicken disapperances on behalf of the farmers.