The declassified Pentagon Papers released by the National Archives and the Nixon, Kennedy and Johnson Presidential Libraries. Tamara Keith/NPR hide caption

Pilot Gregg Pointon shows off the cockpit of a Boeing 787 flight simulator. GPS navigation is the basis for a new air traffic control system the government plans to build, but a company's plan to expand broadband Internet could interfere with GPS signals. Elaine Thompson/AP hide caption

Hoba Hoba Spirit fans at Mowazine. Banning Eyre for NPR hide caption

Massachusetts Institute of Technology professor Peter Diamond prepared to address the media last October after winning the 2010 Nobel Prize in Economic Sciences. Last week, more than a year after being nominated for a seat on the Fed, and facing Republican opposition, Diamond withdrew his nomination. Darren McCollester/Getty Images hide caption

Secretary of State Hillary Clinton speaks at African Union headquarters in Addis Ababa, Ethiopia, on Monday. Susan Walsh/AP hide caption

For many people bare feet are an integral part of summer, but commentator Laura Lorson has the urge to shed more than her flip-flops. iStockphoto.com hide caption

Alabama storyteller and author Kathryn Tucker Windham celebrated her 90th birthday on June 1, 2008, outside the Selma-Dallas County Library in Selma, Ala. She died Sunday. She was 93. Alvin Benn/AP hide caption