21.   Pearl Harbor and the atomic bombing of Hiroshima and Nagasaki are rarely viewed as cause and effect.

22.   At anniversary commemorations earlier this week of the atomic bombings of Hiroshima and Nagasaki, the mayors of both cities urged that Japan take responsibility for its wartime past.

23.   But Japan, the only nation to sustain an atomic bombing, is extremely sensitive to anything radioactive.

24.   Hiroshima and Nagasaki are the only cities ever to suffer atomic bombings.

25.   In videos shown at the Nagasaki museum, Korean victims of the atomic bombing tell how they were forcibly brought to Nagasaki to serve as laborers in war industries.

26.   It was the second lawsuit filed by South Koreans who became victims of the atomic bombing because they were forced to work for the Japanese war effort.

27.   New museum about atomic bombing opens.

28.   Survivors of the atomic bombing and anti-nuclear activists expressed anger over the stamp on Thursday.

29.   That may be true, but the Japanese still feel they should never forget the cruelty of the atomic bombings.

30.   That opinion is based largely on studies of survivors of the atomic bombings in Hiroshima and Nagasaki, he said.