Trump plans to oust national security adviser Mike Waltz PoliticoTrump announces Waltz as nominee for U.N. ambassador The Washington Post"Hegseth next": Democrats press Trump not to stop with ousting Mike Waltz AxiosTrump’s national security adviser Mike Waltz expected to depart administration, sources say CNNTrump Moves Waltz to the U.N. and Names Rubio His Interim National Security Adviser The New York Times