President Bush threatened to use his veto power after the Senate reopened debate Monday on a bill to lift restrictions on federal funding for embryonic stem cell research. Two analysts discuss the medical research implications.
Harvard researchers announced Tuesday that they have begun efforts to clone human embryos to create stem cells by using private funding to get around federal funding restrictions.
By Admin, PBS NewsHour
Some have declared the research to be morally repugnant. Others have said scientists have been wildly optimistic in their promises of how treatments may help patients.
By PBS NewsHour
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