I believe it depends on the wording of the question. I think it's about 60-40 for both these questions (which have opposite consequences).
1) Do you believe in the right of a woman to choose whether or not to have an abortion?
2) Do you believe in the rights of the unborn child?
But I do think that there's a sense of communal guilt (which we see in the OT) that we, as an individualistic nation have gotten away from. Our actions do affect others. Our sin does affect others. To pretend otherwise is to put our heads in the sand.
Well put.