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Clifton Truman Daniel, left, a grandson of former U.S. President Harry Truman, is greeted by Japanese peace activist Masahiro Sasaki who arranged Daniels' first visit to Japan, at the Hiroshima Peace Memorial Park in Hiroshima, Japan, Saturday, Aug. 4, 2012. Daniel laid a wreath at the park Saturday for the 140,000 people killed by the Aug. 6, 1945 bombing authorized by his grandfather. (AP Photo/Kyodo News) JAPAN OUT, MANDATORY CREDIT, NO LICENSING IN CHINA, HONG KONG, JAPAN, SOUTH KOREA AND FRANCE

Truman grandson visits Hiroshima A-bomb memorial

A grandson of ex-U.S. President Harry Truman, who ordered the atomic bombings of Japan during World War II, is in Hiroshima to attend a memorial service for the victims.