Watch: How did 'Mad Dog', 'Warrior Monk' Mattis get his nicknames?
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How did 'Mad Dog', 'Warrior Monk' get his nicknames?

Donald Trump has named General James Mattis as his secretary for defence. Larry Korb, a former assistant secretary for defence, explains how the military man acquired his aliases.

(Picture: James Mattis Credit: AP)

  • 02 Dec 2016