Today is an extraordinary day for humanity. Yet it is an awkward moment for Canada.
At midnight the Treaty on the Prohibition of Nuclear Weapons (TPNW) entered into force. For the 51 countries that have already ratified it, developing and possessing nuclear weapons is now illegal. The treaty requires ratifying nations to, "never under any circumstances … develop, test, produce, manufacture, otherwise acquire, possess or stockpile nuclear weapons or other nuclear explosive devices."
