"In terms of America, I think any profound consideration is bound to return us to the notion of twins because, though you certainly can contend there are many Americas, our history has been binary from the beginning, with its hairline fracture down the country's center between what American has wanted to be and what America has been. That fracture is slavery, of course. To some extent it's still slavery, in that collectively we refuse to come to grips with the American fact of slavery."