"Adolf Hitler is like that bad tooth you can't keep your tongue off, though it hurts to touch it. Seventy-two years postwar, he keeps surfacing. He fascinates. All the way up and all the way down the age scale - from Deputy Prime Minister Taro Aso, 76, who last week praised Hitler's "motives," to the teen and barely post-teen girl band Keyakizaka46, who last Halloween performed in Nazi drag - he fascinates."