A study recently showed people who agree with a biracial candidate (who could that be?) as perceiving his skin to be lighter in color than those who disagree with him in general. If you were going to follow the general thrust of sexist evolutionary psychology, you could only conclude that it's just not fair to ask people to accept leadership from a dark-skinned person. But whaddya know, you haven't seen that kind of conclusion trumpeted in bad science writing.
Funny how it sounds totally ridiculous when applied to racial destiny, but people are all over biological/sociological destiny being directed by sex.
I'm just going off of that little blurb and my recollection of a story on the radio the other day, but I'm pretty sure the study didn't control for the race of the participants, so I'd take it with a grain of salt. Also, it's being published in PNAS, which is hardly prestigious.