The world is shocked by the violence in Ukrainian cities besieged by Russian forces, as they suffer under indiscriminate mortar, bomb and missile attacks. But these horrors could lead to something far worse — escalation to nuclear war. If we are going to avoid this ultimate catastrophe, we need to work urgently for the elimination of all nuclear weapons.

(SOURCE) https://www.cnn.com/2022/03/17/opinions/nuclear-war-weapons-abolition-helfand-levy-bivens/index.html