here's a very good article that should make opponents of gay marriage think hard. as soon as we consign gender to the realm of law -- assorting what is legal or illegal for a person to do because of her/his gender -- we must be able to delineate the person's gender legally. but how, jennifer finney boylan asks, "do we define legal gender? by chromosomes? by genitalia? by spirit? by whether one asks directions when lost?"