The Mississippi River has swamped houses and devastated farmlands from Illinois to Tennessee, Arkansas and Mississippi, and it's headed for what residents call "the last place on Earth that needs high water." As her state braces for massive flooding, US Senator Mary Landrieu laments, "After hurricanes Katrina, Rita, Gustav and Ike — not to mention the oil spill — Louisiana can ill-afford another disaster." Mark Schleifstein of the New Orleans Times-Picayune reports on expectations in Louisiana.