"declined the invitation" to recognize a fundamental right to sexual privacy, which would have compelled us to employ strict scrutiny in assessing the constitutionality of the challenged statute ... Thus, because there is no fundamental right at issue, we apply rational basis scrutiny to the challenged statute. ... Accordingly, we find that public morality survives as a rational basis for legislation even after Lawrence, and we find that in this case the State's interest in the preservation of public morality remains a rational basis for the challenged statute.