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 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 ...

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 reaction fit a familiar Trump pattern ... Atlantic magazine to a highly sensitive chat among senior administration officials on the messaging app Signal about a forthcoming U.S. military ...

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.

European officials saw the screenshots as more proof in private of what the Trump team has indicated in public: scorn for America’s traditional allies.

Seth Meyers is pretty sure Trump was on the Signal group chat with his team, but got removed for being distracting ...