FILE - Flags fly outside United Nations headquarters in New York during the 74th session of the United Nations General Assembly, Saturday, Sept. 28, 2019. A major United Nations meeting on the landmark nuclear Non-Proliferation Treaty is starting Monday, Aug. 1, 2022, after a long delay due to the COVID-19 pandemic, as Russia’s war in Ukraine has reanimated fears of nuclear confrontation and cranked up the urgency of trying reinforce the 50-year-old treaty. (AP Photo/Jennifer Peltz, File)