Former national security adviser Mike Waltz defended his use of the messaging app Signal during a confirmation hearing ...

Mike Waltz, Trump's former national security adviser, faced questions from Democrats on the Signal chat controversy Tuesday ...

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Waltz repeated past denials that he did not commit any wrongdoing when he inadvertently added a journalist to a Signal app group chat earlier this year.

Waltz, who was forced out as National Security Adviser over the incident, claimed that “no classified information” was ...