Brother and sister Rod Dreher and Ruthie Leming grew up in a small town in rural Louisiana. Dreher left the tightknit community to pursue a journalism career but returned home after Leming died of lung cancer in 2010. Courtesy Rod Dreher hide caption

itoggle caption Courtesy Rod Dreher

After the collapse of a salt mine in south Louisiana last year, a 9-acre sinkhole has flooded the area. It also caused gas and oil leaks, and local residents are fed up. Debbie Elliott/NPR hide caption

itoggle caption Debbie Elliott/NPR

A young demonstrator is attacked by a police dog in Birmingham, Ala., in May 1963. Scenes like these helped usher in the nation's landmark civil rights law, the 1965 Voting Rights Act. The Supreme Court will hear arguments Wednesday over a key provision of the law. Bill Hudson/AP hide caption

itoggle caption Bill Hudson/AP

International ships call at the busy Port of New Orleans. It's a major shipping convergence point on the Mississippi River. Ships come upriver from the Gulf of Mexico with imports from abroad, and barges come downriver, bringing U.S. goods for export. Debbie Elliott/NPR hide caption

itoggle caption Debbie Elliott/NPR