United Nations 18 hours ago WATCH: President Biden's full speech at the United Nations President Joe Biden made his final speech to the United Nations General Assembly on Tuesday and spoke about support for Ukraine and challenges with artificial intelligence. US & World Videos 0:58 Ryan Routh is charged with attempted assassination 1:26 What is Parkinson's disease? 0:29 Mother of Elijah Lewis to plead guilty in his death 2:07 Are crime rates up in America? Here's what the FBI says 2:53 America's largest carbon capture facility opens in oil country