[Viennacon]

All I will say is that if I were a polygamist or a zoophile, I would have an airtight case for recognition, that is if our court rules homosexual ‘marriage’ a right. There is no justification not to expand it further. Kennedy is with the rats this time, and Roberts may jump.

[BuckeyeTexan]

That's pretty much what Scalia said in his dissent in Lawrence v. Texas - that if the Court refused to uphold state laws based on morality that laws against incest, bestiality, adultery, pornography, etc. would crumble.