"That engagement was driven by and recommended by the Cyber Security Infrastructure Security Agency, by the Biden administration … the use of signal is not only as an encrypted app. It's not only aut...

Mike Waltz, U.S. President Donald Trump's pick to be his U.N. envoy, said on Tuesday, adding that he is "confident we can make the U.N. great again."

Waltz has spent the last few months on the White House payroll despite being removed as national security adviser.