Originally Posted by Beowulf

It's a setback, all right.

""Another approach has been suggested for creating stem cells that would not evoke an immune response. Scientists would take a patient's DNA, put it into an emptied shell of a human egg to create an embryo and then harvest stem cells from that embryo. This 'therapeutic cloning' would undoubtedly end up back in the thicket of the ethics debate."

That does not bode well for any success, since people would scream bloody murder at every step and slow down progress, if not halt it.