You can't run anything, much less the United States is a national security policy without having people who are willing to put uncomfortable truths in front of the president,” the Connecticut Democrat said.

National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were published, President Trump announced he plans to nominate him to be ambassador to the United Nations.

Waltz initiated a Signal chat that included details of attacks against Houthis. Now he’s Trump’s pick to be the American ambassador to the U.N.