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

President Donald Trump’s removal of national security adviser Mike Waltz brings further disruption to his national security ...

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

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

National security adviser Mike Waltz is out, with Secretary of State Marco Rubio replacing him on an interim basis. President ...

Allison Center for National Security Director Robert Greenway tells 'Life, Liberty & Levin' the global consequences of Iran ...

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

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

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

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