The murder of late-term abortionist George Tiller by a pro-life extremist has provoked several interesting arguments in the blogosphere. A number of pro-choice writers (notably Will Saletan and Richard Spencer) have made the case that Tiller’s assassin was simply taking the logic of the pro-life argument - that abortion is morally equivalent to the murder of a fully-grown human being - to its final conclusion. Ergo, anyone who doesn’t support his assassination is not really pro-life. Here’s Saletan:

The National Right to Life Committee says it opposes “any form of violence to fight the violence of abortion,” preferring instead “to work through educational and legislative activities to ensure the right to life for unborn children, people with disabilities and older people.” Americans United for Life agrees that it was wrong to kill Tiller because “the foundational right to life that our work is dedicated to extends to everyone.”

I applaud these statements. They affirm the value of life and nonviolence, two principles that should unite us. But they don’t square with what these organizations purport to espouse: a strict moral equation between the unborn and the born. If a doctor in Kansas were butchering hundreds of old or disabled people, and legal authorities failed to intervene, I doubt most members of the National Right to Life Committee would stand by waiting for “educational and legislative activities” to stop him. Somebody would use force.

The reason these pro-life groups have held their fire, both rhetorically and literally, is that they don’t really equate fetuses with old or disabled people. They oppose abortion, as most of us do. But they don’t treat abortionists the way they’d treat mass murderers of the old or disabled. And this self-restraint can’t simply be chalked up to nonviolence or respect for the law.

I think this argument makes a good deal of sense. I’m sure that abortion opponents share a heartfelt and good-faith belief that abortion is wrong. But I suspect that most pro-life folks, if they’re really introspective about this, will conclude that abortion is not on quite the same level of wrong as, say, shooting someone in the face outside a convenience store.

For the record, in recent years my own stance on abortion has shifted towards a Douthatian “mushy middle” position. I don’t think it makes sense to grant a full set of human rights to a handful of fertilised cells, but I also think it’s incoherent to believe that a fully-developed and viable infant is a “person” the day after it is born, and something less the day before. My views on Tiller’s practice closely track those of Sonny Bunch at Conventional Folly, who writes:

Though pro-choice myself (certainly through the first trimester, probably through most of the second), I have to say I find nothing particularly noble about his work: some partial-birth procedures are one step up from infanticide, as far as I’m concerned, if not literally infanticide. I find it kind of discomforting when people I tend to agree with on the issue say things like “I genuinely find nothing objectionable about Tiller’s practice.” Really? You find nothing discomforting about half-delivering a living human and vacuuming its brain out? Nothing at all?

I’ll be the first to admit that my approach - drawing the “personhood” line neither at conception nor at birth, but at some unspecified point in between - is not based on any sort of rigorous intellectual framework, but simply on tradition and moral intuition. I would contend, however, that intuition can sometimes provide a more satisfying answer to moral questions than abstract reasoning. It also provides more fruitful grounds for establishing some kind of political compromise on the issue.