This is the best tl;dr I could make, original reduced by 77%. (I’m a bot)
TOKYO – The Japanese city of Nagasaki on Sunday marked its 75th anniversary of the U.S. atomic bombing, with the mayor and dwindling survivors urging world leaders including their own to do more for a nuclear weapons ban.
Prime Minister Shinzo Abe has repeatedly refused to sign the treaty, saying Japan’s approach is not to take sides but to serve as a bridge between nuclear and non-nuclear states to encourage dialogue to achieve a total nuclear ban.
While Tokyo renounces its own possession, production or hosting of nuclear weapons, as a U.S. ally Japan hosts 50,000 American troops and is protected by the U.S. nuclear umbrella.