Students in Central High School walk through the hallways between classes. Debbie Elliot/NPR hide caption

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Eight of the nine black students who integrated Little Rock Central High School walk from school to their waiting Army station wagon on Oct. 2, 1957. Ferd Kaufman/AP hide caption

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The Rev. T.J. Jemison escorts Mary Briscoe (left) and Sandra Ann Jones from jail in Baton Rouge, La., on April 4, 1960. The two had been in jail as a result of lunch counter sit-ins. AP hide caption

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Republican candidates Bradley Byrne and Dean Young are running in a special runoff election Tuesday to fill Alabama's 1st congressional district seat. Phillip Rawls and Campaign of Dean Young/AP hide caption

itoggle caption Phillip Rawls and Campaign of Dean Young/AP

Trombone Shorty, aka Troy Andrews, has started a foundation dedicated to music education in New Orleans. Jonathan Mannion/Courtesy of the artist hide caption

itoggle caption Jonathan Mannion/Courtesy of the artist

Investigators work outside the 16th Street Baptist Church in Birmingham, Ala., following an explosion that killed four young girls. Three Ku Klux Klansmen were convicted in the bombing years later. AP hide caption

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One man was convicted in the bombing in 1977, but more than two decades would pass before any other suspects were tried for murder. AP hide caption

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Ronald Lewis, a resident of the Lower 9th Ward, says eight years after Hurricane Katrina, rebuilding his neighborhood is a story still in progress. Debbie Elliott/NPR hide caption

itoggle caption Debbie Elliott/NPR

Southern Poverty Law Center President Richard Cohen discusses a federal lawsuit against the Alabama Accountability Act on Monday. Cohen says all students in Alabama can't take advantage of the law. Dave Martin/AP hide caption

itoggle caption Dave Martin/AP

American Safari tour guide Tad Pierson stands beside his 1955 pink Cadillac. Visitors to Memphis can get a personalized tour that highlights the city's rich music heritage. Debbie Elliott/NPR hide caption

itoggle caption Debbie Elliott/NPR

Three civil rights workers stand guard in front NAACP attorney Arthur Shores' house in Sept. 1963. The house was blasted by dynamite the night before. AP hide caption

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