A hacker managed to breach TeleMessage, a company that sells a modified version of Signal to the US government. Mike Waltz ...

National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were ...

The ability to navigate power dynamics in the White House and sort through competing policy visions is essential.

President Donald Trump is replacing his National Security Adviser, Mike Waltz, and nominating him to be Ambassador to the ...

National security adviser Mike Waltz is leaving his post and will become America’s ambassador to the United Nations, marking ...

President Donald Trump has gone through his share of national security advisers. But he doesn't hold the record, yet.

President Trump is tapping national security adviser Mike Waltz to be his ambassador to the United Nations following reports ...

President Donald Trump said Thursday that he’s naming Secretary of State Marco Rubio as acting national security adviser to ...

Mike Waltz speaks during a television interview at the White House on Thursday before he was removed by President Trump as national security adviser. (Alex Brandon/AP) ...

Waltz's exit comes just weeks after it was revealed he added a journalist to a Signal chat being used to discuss military ...

President Trump reportedly wasn’t “happy” about his national security adviser’s hawkish stance on striking Iran nuclear sites ...

Waltz was at the center of the Signal chat controversy, in which a journalist was accidentally included in a discussion of ...