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

World leaders are gathering in New York for the UN General Assembly, while President Trump faces controversy over plans to turn a proposed D.C. arch into a military complex. Additionally, the FAA is launching an AI-powered air traffic control system, and the DHS is investigating a shooting involving an immigration agent in Austin.
Why it matters
These events highlight significant developments in international diplomacy, domestic infrastructure policy, and federal law enforcement oversight.
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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.
Also covering this story
4 other newsrooms covered this event. We read each version separately.
Trump says his planned triumphal arch will double as a military complex to store ammunition
Trump says he agreed to convert triumphal arch into "top grade Military Complex"
Trump says proposed triumphal arch will double as military complex
Trump to use Washington arch as military complex for drones and snipers
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