Page:United States v. Windsor.pdf/74

14 Rh A Defense, at 23–28. While modern cultural changes have weakened the link between marriage and procreation in the popular mind, there is no doubt that, throughout human history and across many cultures, marriage has been viewed as an exclusively opposite-sex institution and as one inextricably linked to procreation and biological kinship.

The other, newer view is what I will call the "consent-based" vision of marriage, a vision that primarily defines marriage as the solemnization of mutual commitment—marked by strong emotional attachment and sexual attraction—between two persons. At least as it applies to heterosexual couples, this view of marriage now plays a very prominent role in the popular understanding of the institution. Indeed, our popular culture is infused with this understanding of marriage. Proponents of same-sex marriage argue that because gender differentiation is not relevant to this vision, the exclusion of same-sex couples from the institution of marriage is rank discrimination.

The Constitution does not codify either of these views of marriage (although I suspect it would have been hard at the time of the adoption of the Constitution or the Fifth Amendment to find Americans who did not take the traditional view for granted). The silence of the Constitution on this question should be enough to end the matter as far as the judiciary is concerned. Yet, Windsor and the United States implicitly ask us to endorse the consent-based view of marriage and to reject the traditional view, thereby arrogating to ourselves the power to decide a question that philosophers, historians, social scientists, and theologians are better qualified to explore. Because our