The ex-national security adviser tells Senate China must be confronted at the world body, which still treats it as a ‘developing nation’.

Mike Waltz painted an image for lawmakers Tuesday of what the United Nations would look like as the U.S. -- its largest donor -- reviews its support, opting to go "back to basics" under a Trump administration push to "make the U.

Mike Waltz, President Donald Trump’s nominee for U.S. ambassador to the United Nations, is facing questions from lawmakers Tuesday for the first time since he was ousted as national security adviser in the weeks after he mistakenly added a journalist to a private Signal chat used to discuss sensitive military plans.