In A Tumultuous Administration, Defense Secretary Endures

NPR: Over the past week-and-a-half, President Trump has had quite a lot to say on defense matters.

He tweeted that Iran would suffer historic consequences if it threatened the US. He scolded NATO allies. And he privately discussed security issues with Russian President Vladimir Putin.

Left unclear is what role, if any, Defense Secretary Jim Mattis has had in any of this.

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