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

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."

The hearing will provide senators with the first opportunity to grill Waltz over revelations in March that he added The Atlantic editor-in-chief Jeffrey Goldberg to a private text chain on an unclass...