NEW YORK : The UN closed the books on the 80th session of the General Assembly on Tuesday and opened the 81st in a single day of ceremony, amid warnings from its outgoing and incoming leadership that the world body must reform itself or face erosion. Secretary-General Antonio Guterres, who was addressing the assembly for what he noted was his final time as UN chief, painted a bleak picture of the present moment in the world: wars that carry a risk of nuclear escalation; worsening climate chao
