Hiroshima marked the 76th anniversary of its atomic bombing by the United States on Friday, with its mayor urging world leaders to shift away from nuclear deterrence to trust-building dialogue and for Japan to join a U.N. treaty to ban nuclear weapons.In the annual ceremony, which was scaled down once again this year amid surging coronavirus infections across Japan, Hiroshima Mayor Kazumi Matsui demanded the Japanese government's "immediate signing and ratification" of the treaty, which came into effect this January.After a moment of silence was observed at 8:15 a.m., the exact time of the …READ FULL ARTICLE