Trump and his underlings commit an unforgivable breakdown of national leadership, and all he can do is deny, deny, deny.

President Donald Trump told reporters on Wednesday that he "always thought" National Security Adviser Mike Waltz was responsible for the Signal chat scandal.

The Trump administration’s Signal chat leak represents the "profound ... this leak is different due to the Trump administration’s reaction of "there was nothing to see here." ...

The president’s officials must know that what they did in the Signal group chat was wrong—and dangerous.

The Trump administration’s error in adding a journalist to a top secret Signal group chat about attack plans against Houthi terrorists in Yemen has thrown several officials into hot water. The ...

President Donald Trump said National Security Adviser Mike Waltz “has learned a lesson” in reaction to a journalist from The Atlantic being accidentally added to a private chat about military ...

US president defends key security official after journalist says he was added to group chat about air strikes.

The attempts by President Donald Trump and top leaders of his administration to downplay a security breach that revealed military strike plans in a Signal group chat including a journalist stand in ...

When adding somebody to the group chat about classified information that itself violates government rules, double-check that Jeffrey Goldberg isn't on the thread.

Trump is claiming complete ignorance after his defense secretary accidentally leaked war plans to The Atlantic’s editor-in-chief after adding him to a Signal chat. Jeffrey Goldberg ... Room on Monday.