Waltz exit adds to ‘chaos’ in Trump’s national security team

The ousting of national security adviser Mike Waltz triggered a major shake-up in President Trump’s White House team, which is divided between America First-isolationists and traditional Republican hawks.  Trump announced Thursday afternoon that Waltz, a hawkish former congressman, would become his nominee for U.S. ambassador to the United Nations, with Secretary of State Marco Rubio expanding…