I am not blaming anyone, but anyone who was in New Orleans at the time will tell you they blame Bush for such a slow response.
One of my good friends grew up in New Orleans and was raising his two children and supporting his wife in school (fresh out of the Army no less) when Katrina struck...he was stranded with his family and got to his aunts house where they hunkered down and survived by getting everyone to a FEMA camp about 2 miles away after the storm had subsided and they were able to navigate the area as safely as possible. While there, he contributed his abilities voluntarily as that is the only thing he knew how to do being a properly raised man. His family went back home and tried to collect their lives back together but he stayed few a week longer to help with the FEMA came they were in...he even got shot at one night when he was trying to break up a fight where they were giving fuel to people.
He told me that so many years after all that happened, he didn't blame any one singular person for the response, and that he was glad he lived in the United States where at least there WAS a response, and that he was proud to have helped how he could.
Katrina was the second major hurricane he went through...the first was Andrew, and he told me that even though he was teenager when that storm hit, he remembered that it felt like an eternity before help came and that he remembered being turned away from places to get water because there wasn't enough to give out.
I shared this because I found your comment kind of ridiculous. I very closely know a wonderful man who went through that nightmare and doesn't blame Bush...and the reason is because there's no reason TO blame Bush, or any one singular person. Unpreparedness...it's a nasty thing that envelops a lot of people during that event. He'd tell you today that discussions had taken place for YEARS about the engineering mishaps with the levees, and the fact that regardless of what anyone did, a huge storm would have and still will make easy work of that city.
People like to make things about race...that's just what those who crave this want you to do. Blaming Bush for the response to Katrina would be like blaming Obama for the beheadings of the handful of people we've watched over the last year. Stop looking for scapegoats and start actually trying to help people.