US Republican Presidential candidate, John McCain, appears to be backing off from his strong support of federal funding for linkurl:embryonic stem cell research,; according to his responses to an online questionnaire on national science issues. "While I support federal funding for embryonic stem cell research," Senator McCain (R-AZ) linkurl:wrote; in response to a survey from science advocacy group ScienceDebate2008, "I believe clear lines should be drawn that reflect a refusal to sacrifice moral values and ethical principles for the sake of scientific progress." McCain went on to note his support for "amniotic fluid and linkurl:adult stem cell research,"; which, he wrote, "hold much scientific promise and do not involve the use of embryos." McCain also writes that he supports "making it a federal crime for researchers to use cells or fetal tissue from an embryo created for research purposes." McCain's comments seem to shift his stance on embryonic stem cell...

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