Signalgate was the national security adviser’s most glaring mistake. But his problems ran deeper. After Michael Waltz, the ...

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

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

Marco Rubio will be the first person since Henry Kissinger in the 1970s to hold the positions of secretary of state and ...

Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a Cabinet meeting ...

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

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

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

The Trump loyalist faced scrutiny over a Signal chat he organized that mistakenly included The Atlantic journalist Jeffrey ...

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

The Trump administration’s slash-and-burn approach to shrinking the size of the federal workforce may soon be coming to the ...

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