Pearl Harbor 80 years on: Lessons and legacies

TOKYO -- Dec. 7 marks the 80th anniversary of the Japanese attack on the U.S. naval base at Pearl Harbor, Hawaii. The surprise attack, which came on Dec. 8 Japan time and triggered the Pacific War, culminated in the total surrender of Japan four years later, following the atomic bombings of Hiroshima and Nagasaki in 1945.