Pro-life groups have staged "rescues" at abortion clinics over the years in an effort to save unborn children. Now, a new movement is underway to "rescue" the thousands of human embryos created through in-vitro fertilization (IVF) and placed in frozen storage indefinitely.This movement carries different names in various parts of the country, but the objective is the same: to transfer frozen human embryos into the wombs of "adoptive" mothers who will give birth. Since the Catholic Church teaches that in-vitro fertilization is immoral, the whole idea of such human-embryo "adoption" has stirred spirited debate among moralists and bioethicists.The Vatican, meanwhile,...