I have no doubt they hook each other up, since they have one of the highest levels of in group preference amongst all people, but I've never heard of this. Not sure how that could go under the radar. In for more info.
Also regarding in group preference, whites have the lowest level, not surprisingly since they have been heavily propogandized against it for a century.
Also regarding in group preference, whites have the lowest level, not surprisingly since they have been heavily propogandized against it for a century.