In what sort of moral philosophy does conducting research on unfeeling blastocysts slated for destruction rank as ethically off-limits while conducting research on feeling, sentient, higher-order animals is totally fine? I recognize that some folks see the very potentiality for humanhood as a categorical difference from man to animal, but really, thinking about it, would they rather see some scientists fiddling with a test tube or a monkey wasting away from an excruciating, induced cancer?
