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

President Donald Trump ousted his national security adviser, Michael Waltz. Trump’s use of an 18th century law for ...

In March, the editor of the Atlantic magazine revealed that national security adviser Michael Waltz had inadvertently ...

Waltz inadvertently added The Atlantic's editor-in-chief to a group thread discussing sensitive national security matters.

Former White House chief of staff Mark Meadows weighs in on President Donald Trump nominating national security advisor ...

President Donald Trump's national security adviser Michael Waltz is expected to leave his post, sources familiar with the ...

National security adviser Michael Waltz is expected to depart his post, according to numerous media reports citing anonymous ...

Waltz’s fate was sealed by his inclusion of a journalist on a sensitive Signal group chat in March. But he had been clashing ...

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

The national security advisor and his deputy are reportedly leaving their posts, after the former accidentally invited a ...