China and Japan should have got along well given that their trade relations are largely complementary and hugely beneficial for both sides. Geographic proximity, too, is supposed to make them good partners.

China and Japan are very important trade partners. But mutual distrust between them has run deep over the past decade, when both have undergone considerable changes.

Two recent polls in China and Japan shed light on the views of their peoples about each other. Their findings are alarming and thought-provoking.