Demographers attributed the recentMore social acceptance could definitely be a factor, and I guess immigration is more likely to bring you monoracial people, so that checks out too. The other stuff, I don't know. People don't usually think, "Tiger Woods and Barack Obama have high public profiles! I wonder if that black girl I know wants to get some drinks tonight." Maybe somebody can explain this to me. [Update: I guess they're saying that Tiger and Barack caused higher social acceptance of interbreeding. That makes sense, even if Obama's election strikes me as a little too recent a development to have an impact here.] to more social acceptance and slowing immigration. They cited in particular the high public profiles of Tiger Woods and , a self-described "mutt," who are having an effect on those who might self-identify as multiracial.
This next bit seems a bit optimistic, but it's exciting to hear:
"The significance of race as we know it in today's legal and government categories will be obsolete in less than 20 years," said William H. Frey, a demographer at Brookings Institution.
"The rise of mixed-race voters will dilute the racial identity politics that have become prevalent in past elections," he said.
Or in the best line from Bulworth, "All we need is a voluntary, free-spirited, open-ended program of procreative racial deconstruction. Everybody just gotta keep fucking everybody 'til they're all the same color."