Mike Waltz, US President Donald Trump’s nominee for United Nations ambassador, vowed on Tuesday to make the world body “great again” – and that he would do so by confronting Beijing’s expanding influence while leading an overhaul of what he described as a bloated,

Former national security adviser Mike Waltz, removed from office amid the Signal chat controversy, spent Tuesday in the Senate confirmation hearing for his nomination as U.S. ambassador to the U.N.