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

A picture taken on April 20, 2010, shows a Russian nuclear-capable Iskander ballistic missile launcher during a military parade rehearsal outside Moscow. Russia transferred Iskander-M missile launchers within range of three Baltic states earlier this month. Alexander Nemenov/AFP/Getty Images hide caption

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Alexander Nemenov/AFP/Getty Images

'A Dangerous Situation' As U.S.-Russia Tensions Spill Over To Nuclear Pacts

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Next President To Face Challenges On Nuclear Weapons

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U.S.-Saudi Relations Appear To Enter A New Phase

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NPR's David Welna had personal documents posted by a pro-Kremlin website when he applied for press credentials in Ukraine. He's far from the only one. But it's an issue the U.S. is reluctant to discuss. Ariel Zambelich/NPR hide caption

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Ariel Zambelich/NPR

Russian Hackers Doxxed Me. What Should I Do About It?

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Visitors honor victims of the Sept. 11 attacks at the Wall of Names at the Flight 93 National Memorial in Shanksville, Pa., earlier this month. Gene J. Puskar/AP hide caption

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Gene J. Puskar/AP

Obama Faces Possible First Veto Override Of His Presidency

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House Intelligence Committee Reviews Classified Report On Edward Snowden

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Activists Launch Campaign Urging Obama To Pardon Edward Snowden

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New President Will Inherit The War In Afghanistan

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Obama Administration Convenes More Review Boards For Gitmo Prisoners

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American Charity Helps To Repair War-Ravaged Music School In Ukraine

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American Charity Backs Military Radio Station In Ukraine

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Can Russia And The U.S. Really Work Together In Syria?

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A Look At Donald Trump's Ties To Russia

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Congress Releases Long-Classified 29 Pages Of 9/11 Report

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