Hiroshima and its people have been hoping to build momentum toward a world without nuclear weapons through the Group of Seven summit in May, with its museum set to play a key role in conveying the reality of the 1945 atomic bombing of the western Japan city.With Barack Obama famously becoming the first sitting U.S. president to visit in 2016, the Hiroshima Peace Memorial Museum is expected to welcome the leaders of the G-7 industrialized nations on the first day of the gathering, with exhibits emphasizing the bombing's human costs at a time of soaring nuclear tensions worldwide.Prime Minist…READ FULL ARTICLE