race in america is in the eye of the beholder. we called barack obama our first african-american president because of the color of his skin. but in truth, he is of course, biracial, born of an african father and a white mother from kansas. >> the first line of your biography will almost certainly be not something you did but who you are, right. the first african-american president. and yet, you're half white. you were raised by three white people. your mother and your two grandparents. >> and an indonesian. >> are you comfortable with this characterization of you? >> i am, actually. and the concept of race in america is not just genetic. otherwise the one drop rule wouldn't have made sense. it's cultural. it's this notion of people who