The elimination of racial boundries through enforced cross-breeding between people of different ethnic backgrounds. This process will blend the human population into a lovely race of tan people I've noded about this before.

this line is taken directly from the Movie Bulworth when Warren Betty's character is being questioned on the problems of racism in America.

That was one of the things that always dissapointed me about Star Trek I would like to think that 400 years from now we'd all be a lovely shade of brown.
thanks whiz, I remove the statment about dark skin seeming dominant. And thank you for rationalizing a (I'll admit, marginally) humorous idea to death.