Defense Secretary James Mattis pulled out a casual punchline Sunday when an interviewer asked what threats around the world keep him up at night. "What keeps you awake at night?" CBS host John ...

Bob Woodward said former Defense Secretary James Mattis agrees with the veteran political journalist’s widely shared warnings about Donald Trump’s erratic temperament, outlined in his new book.

A new article in The Nation suggests Ariana Grande has a better approach to fighting terrorism than Defense Secretary James Mattis. After a deadly attack at Grande's concert in Manchester, the singer ...