In addition to his existing position, Secretary of State Marco Rubio now is taking on the role of national security adviser — ...

Marco Rubio serving as both Secretary of State and national security adviser could be "ultimately disadvantageous" to President Trump, says former adviser John Bolton.

Marco Rubio is juggling his roles as both Secretary of State and National Security Adviser. President Trump suggested Stephen Miller could be up for the role of NSA. NBC News' Courtney Kube joins Katy ...

(THE CONVERSATION) The removal of Mike Waltz as President Donald Trump’s national security adviser – formally the assistant to the president for national security affairs – raises the question of just ...

Former national security adviser John Botlon said he thinks President Trump’s special envoy Steve Witkoff is a “disaster in ...

White House deputy chief of staff Stephen Miller predicted that Secretary of State Marco Rubio would go down in history as the Henry Kissinger "of our time." ...

President Donald Trump has removed National Security Adviser Mike Waltz, a frequent target of the “anti-neocon Trumpist” camp. However, Trump softened the blow by nominating Waltz for the position of ...

A jolt of staff upheaval this week made Marco Rubio the first person in 50 years to hold the top two national security jobs in the US government, the culmination of a journey from his role as Donald ...

US President Donald Trump said on Sunday that Stephen Miller, his deputy chief of staff, was a frontrunner to be potentially ...

Trump previously discouraged his officials from using Signal following "Signalgate," when Mike Waltz added a journalist to a ...

Rubio, a onetime rival who ran against Trump in the 2016 primaries, has amassed increasing power in the White House after ...

When asked if Secretary of State Marco Rubio has spoken recently with El Salvador President Nayib Bukele, State Department ...