Cosmopolitan Communities.

The Basis of Human Morality - Beliefnet

We live and move and have our being not only as individuals but in community. [edited for readability]
teilhard

J'C: "Historically our community has been imposed on us typically by religions, and more recently by other social units like universities, companies, and civic clubs. Perhaps a major change in "Community" is that the world is so large and interconnected that the "Community" is no longer defined by institutions, but by ad-hoc associations of like minded people, who may for instance be members of a church, a company, on the board of an arts organization, participate in alumni activities from their University and of course on the internet. These associations may be international in scope, but the important thing is the cosmopolitan nature of the association. People are not defined by where they live, go to church, work, recreate, but what they contribute to the association. I see this as a fundamental change in human social organization, and a hopeful one. It is hard to work up a good hate if there is no group to hate."

This may in fact be the direction of evolution for humans. Couples are breeding later in life after establishing themselves in the various groups that define their "community." Modern medicine has pushed back the female biological clock to the point that age is no longer a consideration for contributing to the gene pool. It is still common for couples to form in a university, but normally the other associations are established and the larger "community" they will be a part of is clear. But the pressure for the MRS degree in the university is off, and men and women feel confident that once established in their "community" the appropriate mate will come along to do their part for replacement fecundity. Note, the child(ren)are never accidents, and are assured of a supportive home to grow from.

I see a ring speciation going on here. The traditional communities will continue the present breeding pattern of a few kids in late teens or early 20s divorce at 25 and mom struggles to give the kids a good life. Enough dads will stick around to keep the community together, but the centrifugal force of the single mom driving her kids to succeed any way they can, sports or academics usually, seems to me to be fatal to the traditional community. Certainly they will never be comfortable with the cosmopolitan communities, and interbreeding will be rare.