Events commemorating the 1945 atomic bombing of Hiroshima were held in some U.S. cities on Wednesday, its 80th anniversary, including Oak Ridge, Tennessee, where uranium was enriched to make a deadly weapon that ushered in the nuclear age.The southern U.S. city was a secret site built to produce highly enriched uranium as part of the Manhattan Project, under which the United States sought to develop atomic bombs.While a number of Americans believe that the atomic bombing hastened the end of World War II and therefore reduced overall casualties, some people have come to be more ambivalent to…READ FULL ARTICLE