At least three people reported dead nationwide, and 32 injured.
Obama affirmed U.S. commitment to Japan around China island dispute.
Landmark deal part of efforts to reduce stockpiles of atomic material.
China to mark Nanjing massacre and day of Japan's WWII surrender.
Pages were ripped from at least 265 copies of the diary and related books.
Around 100 tons have leaked from a storage tank.
Officials say more than 1,000 injured in weather-related incidents.
Caroline Kennedy makes first visit to island amid ongoing opposition to plans to relocate a U.S. base there.
U.S. ambassador criticized the dolphin killings for "inhumaneness."
Cuisine may be endangered as young increasingly eat Western foods.