"It's the fear of being mistaken for Joyce that has always ensured that I ignore the box marked "biracial" and tick the box marked "black" on any questionnaire I fill out, and call myself unequivocally a black writer and roll my eyes at anyone who insists that Obama is not the first black president but the first biracial one. But I also know in my heart that it's an equivocation; I know that Obama has a double consciousness, is black and, at the same time, white, as I am, unless we are suggesting that one side of a person's genetics and cultural heritage"