Hurricane Katrina has definitely gotten our attention.
One of the most savage storms to hit the United States, it has made many of us painfully aware of the geography of the lower Mississippi.
That hurricane was frightening. But what was more frightening was the aftermath.
After the 150 mph winds and torrential rains swept over New Orleans and the Gulf Coast, doing inestimable damage to those areas, the real horror began.
First, levees that protected…