AVERY ISLAND, La. (AP) — On a salt dome that rises from the Cajun flatlands like an island from the sea, the plant which makes Tabasco sauce was safe from floods caused by Hurricane Rita. And it had enough stock on hand to ship out until the factory regained power. Many of its workers weren't as lucky. "We've got a lot of employees that live in Delcambre and Erath and Lydia and low-lying areas around Avery Island," Paul McIlhenny, chief executive of McIlhenny Co., said Wednesday. [snip] Power had been out since Friday night, when the storm was still offshore....