Why do people still hold hateful feelings for Japan from WWII?

I wasn’t surprised that anti-Japanese sentiments were expressed when Takuma Sato, a Japanese driver, won the Indianapolis 500 race -- he is the first driver from Japan to take the flag. But I was shocked, and disappointed that the hateful sentiment was blurted by a journalist. In Denver, where I live. And that it was someone I had worked with. Terri...