*cough* there is not much one can do to prevent hurricanes from striking such an area as New Orleans except to move the city. Anything we put up, nature could have torn down. The damage New Orleans has is from being BROADSIDED. It was not struck directly. The power these storms weild are more then our structures can currently withstand.
What you can do is make sure you quickly and efficently respond to the threat of such a hurricane. Thus negating damage. True we could probably have done more, however the real power to stop this sort of situation comes from a powerful reactionary plan. Bush apparently didn't have one ready, in place, and ready to be quickly activated. Who knows Clinton may have done just as baddly.



