The southern Japanese city of Nagasaki on Saturday marked 80 years since the U.S. atomic attack that killed tens of thousands and left people hoping their harrowing memories can help make their home city the last place to be hit by a nuclear bomb.

As the world marks the 80th anniversary of the first use of a nuclear weapon, on the Japanese city of Hiroshima near the end of World War II, the planet is closer to seeing them used again than it has been in decades,

Eighty years after the U.S. atomic bombings of Hiroshima and Nagasaki, Japan faces with growing urgency the question of how to car