Matt Yglesias is right that public policy must deal with the broad abstractions of the common good, not just with issues that affect lawmakers personally. And Anne Thériault is certainly right that a woman's value, dignity and rights are not contingent on who cares about her personally. Still, both posts seem too dismissive of the role personal relationships play in our formation, our view of the world, our very personhood.
Justin Lee's book is more than charitable to his Southern Baptist origins. But his heart-wrenching stories speak for themselves.
A specifically Christian understanding of marriage doesn't insist on procreation. It insists that marriage mirrors God's fidelity.