Dexter Filkins of The New Yorker on his profile of Defense Secretary James Mattis

.. He said, you’re as well off if you have read“Angela’s Ashes” and Desmond Tutu’s writings, and if you havestudied Northern Ireland and the efforts of rapprochementthere, and in South Africa following their civil war, as you are if you have read Sherman, and obviously, Von Clausewitz.
.. He’s very aggressive.  He’s reestablishing the American deterrent.  If you mess with us you’re going to pay a price.