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

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

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

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

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

Former National Security Advisor John Bolton joins “The Weekend” to weigh in on President Donald Trump's major shakeup: ...

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

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

Marco Rubio will be the first person since Henry Kissinger in the 1970s to hold the positions of secretary of state and ...

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

US President Donald Trump hints at Stephen Miller being considered for National Security Adviser role, following the ...

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