In this May 27, 2016 file photo, U.S. President Barack Obama, right, and Japanese Prime Minister Shinzo Abe speak with the Atomic Bomb Dome seen at rear at the Hiroshima Peace Memorial Park in Hiroshima, western Japan. less FILE - In this May 27, 2016 file photo, U.S. President Barack Obama, right, and Japanese Prime Minister Shinzo Abe speak with the Atomic Bomb Dome seen at rear at the Hiroshima Peace Memorial Park in Hiroshima, ... more FILE - In this Thursday, May 26, 2016, file photo passers-by move past riot police near the Hiroshima Peace Memorial Museum in Hiroshima, southwestern Japan.