@ Jacob: In response to my question on the issue of whether a woman who is raped should be allowed an abortion if this impregnates her, you say:
"This is such a small percentage of abortions that I would like to see the debate framed around the normal types of abortion, not around a very rare and unique situation. I do not agree with abortion even in this case."
So first you establish that you think rape is a special case, but then you go on to say that your opinion is exactly the same even in this special case.
I specifically wanted to include the case of rape because I was interested in whether your view held that abortion should be banned in all cases, no matter what the circumstances. So I do think it forms a valid part of this debate.
Why DO you think rape victims should not be allowed abortions if the rapist impregnates them?
On the issue of using contraception, but the contraception failing to prevent pregnancy - you, and others, are right to point out that this is a weak argument. I accept your argument, and am happy to withdraw this part of my argument.
In response to my point 3. (If you ban abortions, many desperate women will still find ways to have back-alley abortions, seriously endangering their health.) you say:
"This argument is silly as well. We could apply your reasoning to legalizing drug use."
I think that there are in fact strong arguments for allowing the use of certain currently illegal recreational drugs, and the fact that it would bring health benefits to drug addicts is certainly one of them. So I am going to stand by this point.
My point 4 is open to criticism as well and I will withdraw that too.
Finally your comments on my point 5 (A fetus is not a person, in the same way that an individual sperm or egg is not a person. It is a potential person, but it is not a person yet. Therefore to give it all the same rights as a person is misguided.)
You say:
"Let's follow your logic here. You said earlier that this fetus is alive. So what you're saying here is that we have an alive, non-person, potential person. If it is not a person then why should it become a person? Why can't it become something else?"
A rose bush is alive, and not a person. A plankton is alive, and not a person. It will not become a person. This does not mean it is not alive. Not all living things are people.
"This is ridiculous of course - it will always become a person because it IS a person."
What if it dies first at a very early stage in the pregnancy? Due to a natural miscarriage, for example? In that case, it never became a person.
"If it is not a person then you have to answer the question, "What are the defining characteristics of personhood." Try it. Is it the ability to breathe? Is it the ability to be self-sustaining? If those are your requirements then we should enact legislation to go kill all those non-persons living in nursing homes that are such a high health care burden. You see, you open yourself up to craziness and implications that you do NOT want when you try to define a fetus as a non-person. Oh man...go ahead and respond to this - you are waay out on thin ice with this argument - I don't think you've thought through the implications of your statement..."
This IS a very difficult question to answer, yes, but that doesn't mean that we should not try to answer it, nor that it is impossible to answer. I have made an attempt to begin to do so in my post at 1.59pm above.