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

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

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet ...

Waltz was at the center of the Signal chat controversy, in which a journalist was accidentally included in a discussion of ...

Former National Security Advisor Jake Sullivan told MSNBC's "Morning Joe" today that giving the job to Secretary of State ...

A Reuters photographer captured an image of Michael Waltz’s phone screen during a White House cabinet meeting, a day before ...

Former national security adviser Michael Waltz in the Cabinet Room of the White House in March. Shawn Thew / EPA / Bloomberg ...

Reaction to Waltz’s ‘promotion,’ Rubio now ‘secretary of everything,’ Air Force nominee grilled, Trump wants Veterans Day ...

President Donald Trump removed Mike Waltz as national security adviser and nominated him as U.S. ambassador to the United ...

President Donald Trump's outgoing national security adviser Mike Waltz was photographed peaking at his phone under the table ...

Mike Waltz, President Trump's national security advisor, is leaving the White House weeks after he accidentally added a ...