He believes (as do former Secretaries of State Henry Kissinger and George Shultz, former Secretary of Defense William Perry, and former Senator Sam Nunn) that unless the world finds a way to live without nuclear weapons, we will find ourselves in an international system in which 30-50 states possess them, raising the danger of accidental or deliberate launch to an unacceptably high level.
Obama s’est engagé à maintes reprises à faire basculer le monde vers le « zéro global » – un monde sans armes nucléaires.