“Species become extinct when they are no longer able to survive in changing conditions or against superior competition.” (Wikipedia)
Extinction: a progressive decrease in the strength of a conditioned response, often resulting in its elimination, because of withdrawal of a specific stimulus.
Like the fat flightless bird, belief in a flat Earth would be overtaken by “superior competition,” which, in this case, were emerging facts about the solar system.
“By its very nature, homosexuality cannot fulfill the primary function of sex: procreation and the reproduction of the human race. It is inherently a socially barren act. A homosexual society is a childless one - doomed to extinction.”
"[The West] will not bother to denounce it; we'll dismiss it as a sad, bizarre chapter in human history whose last pages are even now being written."
* Incidentally, in his perfunctory follow-up (with the same title) in response to the president's announcement, Kuhner shifts his focus away from procreation, and instead goes whole hog... Read for yourselves... "Obama's Homosexual America" (05/10/12).
UPDATED: 05/24/12 GLAAD's CAP on Tony Perkins