The A Bomb Dome overlooks Hiroshima in 2015. The dome, which was part of the city's industrial exhibition hall, was directly beneath the atomic bomb dropped pm Aug. 6, 1945. (Photo by Max McCoy/Kansas Reflector)Thursday is the 81st anniversary of the atomic bombing of Hiroshima, and as a society we’re still struggling with how to respond to the ability to annihilate ourselves. Ten years ago, Barack Obama became the first sitting U.S. president t…