WASHINGTON, D.C., OCT. 25, 2004 (Zenit.org).- The U.S. bishops' conference has launched a nationwide two-week ad campaign highlighting the issue of stem cell research. The ads draw a clear distinction between embryonic stem cell research, which requires the destruction of human life at the embryonic stage, and adult stem cell research. "Stem cell research is one of the most important moral issues of our day, but it is also one of the most distorted," said Cathy Cleaver Ruse, a spokeswoman for the bishops' Secretariat for Pro-Life Activities. "In the public debate, embryo-destructive research has been greatly hyped, while the proven...