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

James Mattis, then U.S. secretary of defense, leaves a news conference following a meeting about U.S.-China diplomacy and security at the State Department in Washington, D.C., in June 2017. Mattis' new book, Call Sign Chaos, implies criticism of President Trump without taking direct shots at him. Andrew Harrer/Bloomberg via Getty Images hide caption

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Andrew Harrer/Bloomberg via Getty Images

U.S. Negotiators Are Closing In On A Limited Deal With The Taliban

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U.S. Experts Want Details On Blast At Russian Missile Test Site

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Puerto Rico's New Governor Is Sworn In

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Puerto Rico Gov. Ricardo Rosselló Resigns

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News Brief: More China Tariffs, FBI Questions Americans Who Studied In China

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Senate Armed Services Committee Considers Gen. John Hyten For Pentagon Position

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Businesses Take A Hit Amid Puerto Rico Protests

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After Gov. Rossello's Resignation, Political Turmoil In Puerto Rico Continues

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Protesters In Puerto Rico Hope Governor's Resignation Is The First Of Many Changes

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Puerto Rico Gov. Ricardo Rosselló Resigns Following Text Message Scandal

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Puerto Rico Gov. Ricardo Rosselló Says He Is Considering Resigning

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Democrats Have Tough Questions For Esper, Nominee To Head The Pentagon

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U.S.-Turkey Relations Threatened After Turkey Accepts Air Defense System From Russia

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