David Welna David Welna is NPR's national security correspondent.
David Welna 2010
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David Welna

Obama Lifts Arms Export Embargo On Vietnam

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Former Florida Sen. Bob Graham, shown here in 2012, has urged the Obama administration to release the 28 pages of a congressional inquiry into the Sept. 11 attacks that have remained classified. Graham and others say this material contains important information about the financing of the terrorists and their Saudi connections. Phil Sandlin/AP hide caption

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Phil Sandlin/AP

The Renewed Sept. 11 Debate Over The 'Missing 28 Pages' And Saudi Arabia

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Federal Judge Clears Lawsuit Against CIA Torture Program To Proceed

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Senate Intelligence Committee Vice Chairman Dianne Feinstein, D-Calif., and Chairman Richard Burr, R-N.C., have introduced encryption legislation. Alex Brandon/AP hide caption

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Alex Brandon/AP

The Next Encryption Battleground: Congress

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President Barack Obama, speaks during the opening plenary of the Nuclear Security Summit on April 1 in Washington, D.C. Pool/Getty Images hide caption

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Pool/Getty Images

At Nuclear Summit, Many Leaders But No Breakthroughs

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If Detainee Population Shrinks Further, Guantanamo May Have To Close

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Families Of 9/11 Victims Confront Painful Memories At Gitmo War Court

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Crew members of the U.S. Navy destroyer USS Jason Dunham load supplies while docked in Guantanamo Bay, Cuba, in 2015. The U.S. and Cuba have restored diplomatic relations, but the U.S. says it remains committed to keeping the base. David Welna/NPR hide caption

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Obama's Cuba Visit Raises The Question Of Guantanamo Bay's Future

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Obama Proposes Plan To Close Guantanamo Bay Detention Center

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