East Asia is now the world's economic powerhouse, but ghosts of history continue to trouble relations between the key countries of the region, particularly between Japan, China and the two Koreas. Unhappy legacies of Japan's military expansion in pre-war Asia prompt on-going calls for apologies, while conflicts over ownership of cultural heritage cause friction between China and Korea, and no peace treaty has ever been signed to conclude the Korean War.

For over a decade, the region's governments and non-government groups have sought to confront the ghosts of the past by developing...