At one time, liberal principles claimed to defend the weaker party against the interests of the strong. Not so today. As Saletan concludes,
The stem-cell fight wasn’t a fight between ideology and science. It was a fight between 5-day-olds and 50-year-olds. The 50-year-olds won. The question now is what to do with our 5-day-olds, our 5-week-olds, and our increasingly useful parts.