Two women take a selfie outside the United Nations headquarters in New York on Monday, Sept. 21, 2026. (Angelina Katsanis/The New York Times) By FARNAZ FASSIHI World leaders will converge in New York this week for the United Nations General Assembly with the Middle East in turmoil, war raging between Russia and Ukraine, old alliances in peril, energy prices rising and scientists warning that artificial intelligence could imperil humanity. “It would be hard to imagine a scenario as threatening…
