This from the AP:

Louisiana Gov. Kathleen Blanco and U.S. Sens. Mary Landrieu and David Vitter will be accompanied by more than 40 government, business and education leaders from across the state in a trip to the Netherlands to study the flood control systems protecting a nation much farther below sea-level than New Orleans.

[…]

Holland recently completed a 50-year program to build dams, sea walls and surge barriers designed to protect the south of the country against almost any storm. It includes the twin rotating gates that can seal the mouth of Rotterdam’s harbor against a storm surge, and the set of 62 big gates that can close off an estuary in Zeeland.

I seem to recall someone saying this would be a good idea. 🙂