gone underground. it's no longer overt, it's covert. what he was basically saying there was no evidence for it but i fear that is more. that is shows it no more insidious than ever. >> in other parts of the world, how many centuries it has taken. >> karen folan writes about race in don't bring home a white boy. >> my mother and father grew up in segregation. she has told me stories time and time again about her father being called boy. having colored restrooms. all of that is a part of her experience. all of that is to say rear pretty amazing here. in just two generations to have gone from segregation to a black american president is pretty impressive. we should celebrate that more. >> the bottom line of it, i think, is that the country has changed dramatically there is a little bit of a reluctance to admit that, but the people who know it are the immigrants. the immigrants who come here today are not white.