Senators questioned ex-Trump national security adviser Michael Waltz at confirmation hearing about a Signal chat that ...

Senators questioned Mike Waltz about his inadvertent addition of a journalist to a Signal chat on military strikes in Yemen ...

Months after the chat was disclosed, questions remain over the controversy, including if federal laws were violated and if ...

President Donald Trump's former national security advisor Mike Waltz on Tuesday defiantly defended his use of a group chat to ...

President Donald Trump’s nominee for U.S. ambassador to the United Nations will face questioning from lawmakers for the first time since he was ousted as national security adviser.