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

Senate Critics Question Legality Of Military Operation In Syria

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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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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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Obama Opens Final Nuclear Security Summit In Washington, D.C.

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Treasury Secretary Jack Lew Defends The 'Smart Power' Of Economic Sanctions

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Republicans Challenge Plans To Close Gitmo After Brussels Attacks

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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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Sept. 11 Trials Postponed After Suspects Request To Fire Lawyers

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At Guantanamo, Another Legal Step Post Sept. 11 Attacks

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Trial Date Still Pending For 5 Accused Of Plotting Sept. 11 Attacks

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