It’s been ten years since the Supreme Court legalized same-sex marriage in the United States. Over the past decade, we’ve witnessed the profound benefits of that historic decision. In a review of 96 empirical studies about same-sex marriage last year, the research institute RAND found that it has led to more stable relationships, lower psychological distress, an increase in adoption rates, and better academic performance for the children of same-sex couples. RAND also found that it had had no ne