World leaders convene for UNGA. And, Trump says D.C. arch will be a 'military complex'

UN General Assembly Week, Trump's Triumphal Arch, Air Traffic Control AI Good morning. You're reading the Up First newsletter. Subscribe here to get it delivered to your inbox, and listen to the Up First podcast for all the news you need to start your day. Today's top stories World leaders convene this week in New York for the United Nations General Assembly. It will be U.N. Secretary-General António Guterres' last General Assembly before his term ends in December. He will open the event on Tuesday morning, followed by Brazilian President Luiz Inácio Lula da Silva, and then President Trump. Here's what NPR will be watching throughout the high-level event, which runs through Sept. 28. U.N. Secretary-General António Guterres speaks at the opening of the 81th session of the U.N. General Assembly in New York, Sept. 8. Guterres will attend his last high-level week as secretary-general. Zhang Fengguo/Xinhua via Getty Images hide caption toggle caption Zhang Fengguo/Xinhua via Getty Images 🎧 Trump has tried to position himself as a peacemaker, but his war against Iran looms over the gathering, NPR's Michele Kelemen tells Up First. Iran's president will speak at the event the day after Tru...