French schoolchildren can be proud to become citizens of the country that gave the world the Declaration of the Rights of Man; need they be told that it was disregarded a few years after it inspired the revolution in Haiti, whose leader, Toussaint Louverture, was consigned to death in a French prison?

How do we remember the parts of our histories we'd rather forget?

Whenever you say anything good about East Germany, immediately somebody jumps up and says, "My God, you're a Stalinist..." I'm not defending everything about it, of course. But I laboured on the chapter that talks about the east. I fact-checked it; I had somebody else fact-check it. I knew that I was going to get a lot of flak for that. But in the beginning, East Germany did a better job. They just did.

[On members of the Nazi Party] The most shocking, but also important thing, is they were not the uneducated masses. The majority had academic degrees. We like to think that education provides immunity to racist and fascist ideology. And it doesn't.