Trump returns to UN amid Iran, AI, and institutional crises

President Donald Trump addressed the U.N. General Assembly on Tuesday, proposing to rename artificial intelligence as "super intelligence" and denying U.S. weapons shortages despite expert contradictions, while the Iranian delegation walked out during his remarks on military strikes against Tehran. Trump pledged to end Russia's war in Ukraine, threatened to "annihilate" Iran if no deal is reached, and dismissed midterm election concerns despite polling showing the Iran war hurting Republicans. He also met with leaders including the UK's new prime minister and is hosting China's Xi Jinping in Washington this week. The U.N. gathering occurs amid global anxiety over the Iran war, AI's social impact, and the institution's future following U.S. funding cuts. Secretary-General António Guterres used his final address to plead for "a world built on interdependence," while Trump's speech focused heavily on domestic achievements.