0:42newsDecember 21, 2018Fallout grows over defense secretary's bombshell resignationU.S. Secretary of Defense James Mattis announced his resignation Thursday.Up Next in newsTrump tells Mattis 'I'm 100 percent with you'October 16, 2018Defense Secretary James Mattis to retireDecember 21, 2018Sandra Day O'Connor, 1st woman on Supreme Court, dies at 93December 1, 2023