Tsk Tsk, shame on you George Bush! You knew about the sad state of affairs in New Orleans many years ago. Going back in the archives of Scientific American and Science Daily magazine there are repeated stories as far back as 2001 warning about the impending disaster that befalls us now. Here is one such example with many more listed down the side of the page: http://www.sciencedaily.com/releases/2000/01/000121071306.htm
Yet instead of saving our own people we still spend billions of dollars to fight a war in a country we have no business being in and meanwhile our own oil refiniries are destroyed and inoperable. Again you knew this would come to be... http://www.sciencedaily.com/releases/2005/02/050211082855.htm
And did nothing.