STEM CELL ETHICSBy Judie BrownThe good news out of Australia this week is that stem cells harvested from the noses of Parkinson's patients developed into dopamine-producing brain cells when transplanted into the brain of a lab rat. And while there has been no word about the potential for the human who is suffering from Parkinson's, there should be every reason for optimism. And as this news report makes abundantly clear, "Unlike unethical [human] embryonic stem cells – which have yielded no cures despite the investment of hundreds of millions of research dollars – these stem cells from a patient's nose do...