オバマ大統領の広島スピーチ全文 「核保有国は、恐怖の論理から逃れるべきだ」HIROSHIMA, JAPAN - MAY 27: U.S. President Barack Obama gives a speech during his visit to the Hiroshima Peace Memorial Park on May 27, 2016 in Hiroshima, Japan. It is the first time U.S. President makes an official visit to Hiroshima, the site where the atomic bomb was dropped in the end of World War II on August 6, 1945. (Photo by Atsushi Tomura/Getty Images)
世界の核兵器――保有国は？保有数は？
