Economist Glenn Loury has a gay son, and so does blogger and law professor Ann Althouse. So I wasn't expecting their conversation about gay marriage to take this turn:

If you're wishing Glenn had been matched with someone who disagrees with him, I have good news. Here he presents the other side of the argument, which leads to some interesting thoughts from Ann about the role of religion in progressive moral change:

You can watch the whole conversation--an episode of the Glenn Show on Bloggingheads.tv--here.