One issue that looks pretty raw right now was the local effort by neighboring Gretna to keep (black, poor) New Orleans residents from walking to safety–apparently because the route would have taken them right past (white, wealthier) people’s neighborhoods.
Start with the summary account offered by Kevin Drum — he has a good map. Then read Digby at hullabaloo for the details, and the outrage. Also Making Light. Ice the cake with this excerpt from an interview with New Orleans Mayor Ray Nagin in which he talks about the closing of the bridge:
That says that people value their property, and were protecting property, over human life. … I’m pissed about it. And I don’t know how many people died as a result of that.