Stripping the primary family unit of any legal protections would guarantee the end of our society as we know it.
Look to the Democratic National Convention coming soon in Boston (or a "Gay Pride" parade) for a concrete look at the society that would rise in its place.
Really, just look at where the black community has sadly ended up because of weak families and illegitimacy. State government should do everything it can reasonably do to strengthen the institution of the family. It's part of our tradition here in state government.
And yes, sodomy is a disgusting perversion that should be re-criminalized, but the argument on the family is important, too. To compare sexual perversion to normal family life--as though there were any comparison--is obscene.
This is the first piece I read on the subject that actually makes sense.