The 17th Street levee that gave way and led to the flooding of New Orleans was part of an intricate, aging system of barriers and pumps that was so chronically underfinanced that senior regional officials of the Army Corps of Engineers complained about it publicly for years. Often leading the chorus was Alfred C. Naomi, a senior project manager for the corps and a 30-year veteran of efforts to waterproof a city built on slowly sinking mud, surrounded by water and periodically a target of great storms. [snip] This week, amid news of the widening breach in the 17th Street...