Shawn writes:

> so once again what I'm seeing is you throwing out blanket, controversial
>  statements about things that just aren't supported by the facts, even when
>  you are supplying the information that supposedly backs up your claim.

I'm not sure how much "truth" you think I can put into one sentence. I said
that the stem cell lines approved by the current administration are
contaminated with mouse- (and possibly) cow-expressed molecules. This contamination has
been suspected for several years and was recently confirmed, resulting in a
publication earlier this year in Nature Medicine. That statement seems to me to
be the essence of non-controversality, being as close to the truth as we
currently know it.

Nor did I say that the contaminated cell lines still could not be useful. If
you had never seen an automobile before, but came across one with four flat
tires, you could still learn an enormous amount about how automobiles work
without actually ever being able to apply that knowledge. Stem cell lineages are a
dime a dozen. Any reasonable person would simply discard the contaminated
lines and start over with fresh material.

Wirt Atmar

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