I'm reposting because I left off some pretty important qualifying words in my last sentence (it was late):

<<What makes you think I didn't think about it? I've read it several times in the past, and Garry (whoops, misspelled his name above) Wills is always worth considering; he's extremely well versed in history and Catholic everything. Wills doesn't contest that human life begins at conception. He contests that human life at conception is a person.>>

You may think the distinction between life and personhood is "absurd on its face," but that is an opinion by no means definitive. Again, Wills doesn't argue that a conceptus isn't human life, so your scientific argument is moot.

By the way, I disagree with Wills that abortion isn't a religious issue. But it's also a health issue. And it's also an issue about bodily autonomy. "Pro-abortion types" is propagandistic bunk. Most pro-choice supporters concede that abortion is morally charged.