No need to ask – he’s a Republican. These bigots are simply bleating the same, tired garbage; it’s time for a new tune. Plus, he missed bestiality. We even had the Obama DOJ using this defense for the last couple of year. Here’s Rep. Trey Gowdy:

Rep. Trey Gowdy (R-SC) compared same-sex marriage to incest and polygamy during a House Judiciary Committee hearing with Attorney General Eric Holder this afternoon, asking why the administration would be willing to apply a higher level of scrutiny to laws that prohibit gay people from marrying as a pose to other kind of marriage arrangements:

GOWDY: And would you agree with me that the rational basis test is the appropriate test to be used with respect to consanguinity, the marrying of family members? That’s the appropriate test, right? Rational basis. You’re not arguing for a heightened level of scrutiny on whether or not cousins can marry each other.

HOLDER: No, I would not argue that. I don’t know if there’s law on that, but again off the top of my head, I’m not sure that you would need heightened scrutiny standard in that regard. [...]

GOWDY: Alright, and we don’t need intermediate or heightened scrutiny with respect to polygamy, right?

HOLDER: Yea, I would think not.