Mike Waltz grilled over Signal chat during confirmation hearing for UN role

Just over two months after being ousted as national security adviser, Mike Waltz faced lawmakers on Tuesday during a confirmation hearing to be US ambassador to the UN, telling them that he planned to make the world body "great again". "We should have one place in the world where everyone can talk - where China, Russia, Europe and the developing world can come together and resolve conflicts," Waltz told the Senate foreign relations committee about the UN. "But after 80 years, it's drifted from its core mission of peacemaking." On 1 May, Waltz was pushed out as national security adviser…