For three years, the United Nations has been trying to agree on a treaty forbidding reproductive cloning of human beings. A strong consensus for such an accord exists, but no action has been taken because the United States and several other counries want to broaden the ban to include therapeutic cloning, used to study or treat diseases, as well. The Bush administration should abandon that all-or-nothing stance and accept a compromise Belgian proposal that would prohibit reproductive cloning while allowing countries to set their own course on cloning for medical purposes....Editorial