Well, back to the trees, and line up them females in heat, eh ~ gotta' start this over.
Isn’t it obvious that if mankind truly “evolved” from random mutations that somehow exquisitely perfected us into what we are, homosexuality would long ago have been culled out of the human genome?
HELLO??
What's that got to do with the package of legal rights and responsibilities conferred on pairs of individuals by government? As soon as term "marriage" was conceded to government control the argument was inevitably lost.