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The political fight in the halls of Congress and the White House is over legislation to allow funding for research on embryos that would otherwise be discarded right now. Opponents of the bill - primarily on the far-right - saw yesterday's announcement as a breakthrough that could stall the legislation's momentum. But as the researchers themselves explained, this would be irresponsible. The news that Harvard scientists have successfully converted human skin cells into embryonic stem cells - without using a human egg or new embryo - is likely to muddle the already complex debate over federal stem cell research policy ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn