katrina just all hot air

So the flooding of New Orleans was not caused by global warming, George Bush, Iraq or any other unrelated event.

The flooding was not caused by a massive surge overtopping inadequate levees.

The surge did not reach the top of the levees, the structures merely failed, possibly poorly engineered.

http://www.washingtonpost.com/wp-dyn/content/article/2005/09/20/AR2005092001894_pf.html