"Michael M. Butler" wrote:
>
> Mike Lorrey wrote:
> >
> > Harvey Newstrom wrote:
> <snip>
> > > have any way to prevent this large number of failures. I am not sure what
> > > the advantage of human trials for cloning would be before the technique is
> > > perfected in animals. Until the safety margin is improved, I'm not sure
> > > this is viable yet.
> <snip>
> > This is one more example, though, of the precautionary principle being
> > applied. You can't get the safety margin down without experimenting, so
> > saying you can't experiment until you get the safety margin down is
> > simply imposing a ban by illogic.
>
> Mike:
>
> This is all-or-nothing thinking. "The" safety margin of _what_, specifically?
>
> I'd suggest a specified-time moratorium on human reproductive cloning until
> we have other mammals down pat.
>
> This includes lifetime, potentially multigeneration studies with primates.
Okay, but it's the 'until' part that is important. So far as I am aware,
the 'bans' being imposed today are not time dependent, they are
absolute.
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