Right after the U.S. dropped the bomb on Nagasaki, Victoria Kelly’s grandfather was sent there as part of the U.S. forces sent to occupy the city after its destruction. Victoria grew up curious about her grandfather’s experience there, as he’d died before she was born. Victoria has partnered with Karen Tanabe, whose family survived the bombing, to make “Atomic Echoes”: A documentary that details what it was like for the locals and the U.S. soldiers on the ground, and how they came together to...