Lumar C. LeBlanc was photographed for the Surviving Katrina and Rita in Houston project installation, "Who We Are." LeBlanc was interviewed by Dallas McNamara, a fellow Katrina evacuee, on Jan. 21, 2007. Dallas McNamara hide caption

itoggle caption Dallas McNamara

Mary Gallagher, photographed at her home in October 2007, the year after her husband, Marine Gunnery Sgt. James Gallagher, took his own life. Tina Fineberg/AP hide caption

itoggle caption Tina Fineberg/AP

Oil burns at the Ixtoc 1 offshore drilling rig in December 1979. The rig dumped 140 million gallons of crude oil into the Gulf of Mexico and covered about 170 miles of the South Texas coast, including Galveston. John Hoagland/Liaison/Getty Images hide caption

itoggle caption John Hoagland/Liaison/Getty Images

Carl Main of Caddo Gap, Ark., removes flood debris from a pile near Langley, Ark., Sunday. Search and recovery efforts continue after flooding swept through a nearby campground early Friday, killing at least 19 people. Authorities believe just one, 8-year-old Jadyn Basinger, remains missing. Sue Ogrocki/AP hide caption

itoggle caption Sue Ogrocki/AP

A cluster of Bill Halter and Blanche Lincoln campaign signs at an intersection in Little Rock, Ark., on Tuesday. Danny Johnston/AP hide caption

itoggle caption Danny Johnston/AP

A view of the wreckage at the BP facility in Texas City, south of Houston, a day after the explosion on March 23, 2005. William Philpott/AFP/Getty Images hide caption

itoggle caption William Philpott/AFP/Getty Images

Two ships float near the massive oil slick spreading in the Gulf of Mexico after a drilling rig sank last week off the coast of Louisiana. The slick is 80 miles long and 40 miles wide and growing. Brendan Farrington/AP hide caption

itoggle caption Brendan Farrington/AP

Crystal Buckner, pictured here in October, said her 8-year-old told a therapist that her ex-husband showed their daughters pornography on his computer. The case made its way from child protective services to the district attorney — who faced a legal conundrum under Texas law. Amy Gutierrez/AP hide caption

itoggle caption Amy Gutierrez/AP

Buffalo roaming on the QB Ranch in West Texas. Courtesy Of Wayne Kirk hide caption

itoggle caption Courtesy Of Wayne Kirk

Texas GOP gubernatorial candidates (from left) Gov. Rick Perry, Sen. Kay Bailey Hutchison and Debra Medina debate in Dallas. Louis DeLuca, Pool/AP hide caption

itoggle caption Louis DeLuca, Pool/AP

The Bamberger Ranch Preserve is home to 60 of the scimitar-horned oryx, an endangered species that has not been seen in the wild for 20 years. Scott Kentros for NPR hide caption

itoggle caption Scott Kentros for NPR