Secretary of State Marco Rubio's growing portfolio of administration roles — which now includes acting national security ...

A former official in Donald Trump's first administration who served as both national security adviser and ambassador to the ...

Regardless of whether all the claims are true, it does appear as if the policy split came over the issue of a US attack on ...

Democrats on the Foreign Relations Committee, the panel that will weigh Mike Waltz’s nomination for United Nations ambassador ...

In a dramatic shift in fortunes, Rubio is the first person since Henry Kissinger to be both secretary of state and national ...

Prime Minister Netanyahu and his advisers have been actively urging their American counterparts to keep a military option on the table for dealing with Iran.

Donald Trump fired National Security Advisor Mike Waltz, then named him U.N. ambassador hours later, as Fox's Will Cain is lost for words.

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

Secretary of State Marco Rubio’s new assignment as President Trump’s interim national security adviser brings him deeper into ...

President Trump removed Mike Waltz as National Security Adviser and assigned the duties of the role to Secretary of State ...

Mike Waltz discussed the possibility of striking Iran with Israeli Prime Minister Benjamin Netanyahu. The move upset US ...

Washington Post quotes US officials saying that ousted security adviser pushed policy 'in direction Trump wasn't comfortable ...