The Pentagon released Defense Secretary James Mattis' resignation letter Thursday evening, moments after President Trump announced on Twitter that Mattis would be "retiring" in late February.
The bottom line: "Because you have the right to a Secretary of Defense whose views are better aligned with yours on these and other subjects," Mattis wrote, "I believe it is right for me to step down from my position.”
Be smart: "This [letter] is an astonishing rebuke of Trumpism," NYT reporter Maggie Haberman tweeted.
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