Sen. David Vitter, R-La. Kevin Dietsch /UPI /Landov hide caption
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Vance McAllister, shown in a photo provided by his campaign, will be the next representative from Louisiana's 5th Congressional District after winning Saturday's special election. AP hide caption
State Sen. Neil Riser (left) and Vance McAllister are pictured in images provided by their campaigns. The two Republicans are running against each other in a Louisiana congressional special election. AP hide caption
Workers pump water from the parking lot of the Dadeland Plaza shopping center on Thursday after heavy rains triggered by Tropical Storm Karen in Pinecrest, Fla., a suburb of Miami. Wilfredo Lee/AP hide caption
The storm track forecast for Karen. National Hurricane Center, Miami hide caption
The plant on fire after it reportedly exploded Thursday in the town of Geismar, La. Ryan Meador/AP hide caption
Louisiana drivers would be able to add the message "I'm a Cajun" on their licenses, under a bill making its way through the statehouse. Here, shrimp fisherman Merlin Boudreaux holds up part of his catch in Morgan City, St. Mary Parish, La. Sean Gardner/Getty Images hide caption
Rep. Bill Cassidy, R-La. (right), poses with his family and House Speaker John Boehner at the start of the new Congress, on Jan. 3. On Wednesday, Cassidy announced that he would challenge Democratic Sen. Mary Landrieu in 2014. Cliff Owen/AP hide caption
Louisiana Supreme Court Justice Bernette Johnson. Louisiana Supreme Court/AP hide caption
Rick Santorum told voters in Mandeville, La. on Wednesday that they were "not looking for someone who's the Etch A Sketch candidate." Sean Gardner /Reuters /Landov hide caption
Men fish off a pier at a jetty in Dauphin Island, Ala., with oil rigs in the background. The U.S. government is changing how it regulates drilling platforms.
Mario Tama/Getty Images hide caption