We have debated the issue before, but I wanted to try and distill our differences down to their most basic form. I feel that I was successful, but that is certainly debatable! I'm not sure we mutually agreed that we had found our basic difference on the issue.
The blog author maintains the conservative position that even a fertilized egg should be afforded the same rights as a fully-formed, conscious person. I disagree with this position as you can read, if you like.