President Donald Trump has been using diplomatic appointments as a soft landing for officials leaving his administration.

Former national security adviser Mike Waltz defended his use of the encrypted Signal app during a Senate confirmation hearings Tuesday on his nomination as President Trump's ambassador to the U.N.

(CNN) — Former national security adviser Mike Waltz defended his use of the messaging app Signal during a Tuesday confirmation hearing where lawmakers largely avoided the topic.

Waltz was removed from his job as national security adviser after he accidentally added a journalist to his Signal chat about an attack on Houthis.

Former national security adviser Mike Waltz, testified before the Senate Foreign Relations Committee in his bid to become U.N. ambassador, stood by the use of Signal in a chat that discussed ...

As Mike Waltz, President Donald Trump’s nominee for U.S. ambassador to the United Nations, appears before the Senate Foreign Relations Committee Tuesday for his confirmation hearing, focus ...

Mike Waltz, Trump’s pick for U.N. ambassador, faces Senate questioning over Signal chat controversy and plans for U.N. reforms amid funding cuts.

During his Senate confirmation hearing to be US ambassador to the United Nations, Waltz echoed the priorities of his bosses — President Trump and Secretary of State Marco Rubio.