Mahmoud Abbas, the Palestinian leader, speaks via video during the 81st session of the United Nations General Assembly at the UN headquarters on Thursday, Sept. 24, 2026. He renewed his call for a two-state solution in a videotaped address to the General Assembly, as he accused Israel of prosecuting “a genocidal war” against Palestinians “that has created an unprecedented humanitarian catastrophe.” For the second year in a row, Abbas did not appear in person at the annual gathering because…