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

itoggle caption AP

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

itoggle caption Sean Gardner/Getty Images

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

itoggle caption Cliff Owen/AP

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

itoggle caption Sean Gardner /Reuters /Landov

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

itoggle caption Mario Tama/Getty Images