That's what engineering and scientific experts as well as NOAA officials said on that Discovery Channel program I watched had said.
I hate to have to repeat myself, but right before we lost power from Katrina, CNN showed a restaurant owner who was also the pastry chef and he was passing out slices of cheesecake on Bourbon Street where the natives were all high fiving one another BECAUSE they dodged Katrina!
Moments later, the levess broke. They knew about the levees but did NOT evacuate like they were asked to do by their damn officials: that incompetent governor and clueless mayor.