Joe Biden is due to become the second sitting U.S. president to visit Hiroshima, a city razed by an atomic bombing at the end of World War II, with the international community taking a keen interest in what message, if any, he will deliver on nuclear disarmament.Unlike Barack Obama, who left his mark on history by visiting the Japanese city in 2016, the primary reason for the current U.S. leader to travel there is to attend this year's three-day summit of the Group of Seven advanced economies from May 19.But as Russia's ongoing war in Ukraine gives a chilling warning that the world may be e…READ FULL ARTICLE