Trump ousts Mike Waltz in major shake-up of national security team

President Donald Trump said Thursday that he is nominating national security adviser Mike Waltz as United Nations ambassador while Secretary of State Marco Rubio would take over Waltz’s duties on an interim role. Waltz has been under scrutiny for weeks after reporting from The Atlantic that he had mistakenly added the magazine’s editor-in-chief to a Signal chat being used to discuss military plans. Story by Yinka Oyetade.