Secretary of State Marco Rubio's new job as national security adviser sets the former Donald Trump rival up for a bigger role ...

Waltz was among high-ranking members of the administration who accidentally shared plans about a forthcoming U.S. military ...

Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will ...

Secretary of State Marco Rubio has been thrown into two top national security roles at once after President Donald Trump ...

President Donald Trump has named Mike Waltz as his next nominee for the U.S. ambassador to the UN after ousting him as his ...

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

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

Waltz's deputy, Alex Wong, who was also ousted this week, reportedly remains at the National Security Council.

President Donald Trump says he is nominating national security adviser Mike Waltz as United Nations ambassador while ...

President Donald Trump ousted his national security adviser, Michael Waltz. Trump’s use of an 18th century law for ...

Secretary of State Marco Rubio now holds four top roles in the Trump administration, raising questions about power, trust – and whether one man can do it all.

Trump announced the moves shortly after news broke that Waltz and his deputy Alex Wong were departing the administration just ...