FILE - In this May 25, 1984 file photo, Amy Carter, daughter of former President Jimmy Carter, offers a prayer at a statue dedicated to the children who died in the atomic bombing of Hiroshima in Hiroshima, Japan. In a moment seven decades in the making, President Barack Obama this month will become the first sitting American president to visit Hiroshima, where the U.S. dropped an atomic bomb during World War II, decimating a city and exploding the world into the Atomic Age. (AP Photo/Katsumi Kasahara, File)