SIERRA VISTA - Dana Jackson, an apprentice with the Sulphur Springs Valley Electric Cooperative, worked out of Louisiana in the Gulf of Mexico for two years. He's now returning to the Gulf Coast, this time with some of his SSVEC co-workers to help repair the power infrastructure after Hurricane Katrina devastated the Mississippi Delta area earlier this week. Jackson, originally from Meridian, Miss., has an idea of what awaits him and the rest of the crew. "I worked offshore on oil rigs, so we were out there for a couple of hurricanes," said Jackson, whose family and friends are safe...