If a man makes a woman pregnant, even if they're not married, he should be made to pay. So argues Shari Motro, a law professor at Virginia's University of Richmond, in an op-ed that appeared over the weekend in the New York Times. Motro proposes the establishment of something called "preglimony," which amounts to a legal obligation to support a woman financially as soon as it can be established via DNA test that the unborn child is his:

Motro is vague about the details--in particular, the question of how a DNA sample would...