Who will replace Mike Waltz? President Donald Trump's leading candidates as Secretary of State Marco Rubio steps in ...

Last week, Rubio made history again when Trump tapped him as national security adviser after former U.S. Rep. Mike Waltz, ...

There is a very real possibility that Trump keeps Marco Rubio as both secretary of state and national security adviser, ...

Secretary of State Marco Rubio has a new job title: interim national security adviser. President Donald Trump announced the ...

President Donald Trump named Secretary of State Marco Rubio as acting national security adviser to replace Mike Waltz, whom ...

The president did not elaborate on why he was sidelining Waltz, who struggled to gain the confidence of White House staffers.

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

WH deputy chief of staff Stephen Miller dispelled rumors that President Trump is considering him to replace Mike Waltz as National Security Advisor. Miller suggested that Secretary of State Marco ...

The newly appointed interim national security adviser is preparing to stay in that role for up to six months, a person close ...

Rubio’s dual-hatted role comes on top of him serving as acting administrator of the largely shut down USAID and as acting ...

This is the first significant personnel overhaul of top White House aides, and the kind of shake-up President Trump has ...

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