By MARI YAMAGUCHI Associated Press HIROSHIMA, Japan (AP) — Survivors of the world's first atomic bombing gathered in diminished numbers near an iconic, blasted dome Thursday to mark the attack's 75th anniversary, many of them urging the world, and their own government, to do more to ban nuclear weapons. An upsurge of coronavirus cases in Japan meant a much smaller than normal turnout, but the bombing survivors' message was more urgent than ever. As their numbers dwindle — their average age is about 83 — many nations have bolstered or maintained their nuclear arsenals, and their own government refuses to […]