U.N. ambassador nominee Mike Waltz denied sharing sensitive information during a mobile app chat in March during a Senate ...

Mike Waltz's Senate confirmation hearing is being held today for his nomination for U.S. ambassador to the United Nations.

Politico reveals that Mike Waltz would have used Signal at least 20 times and would also have used Gmail to send information related to his government business.

Mike Waltz's confirmation hearing to be ambassador to U.N ... Waltz is likely to face combative questioning from Democrats on the Senate Foreign Relations Committee over the Signal controversy.