By changing one little word, the committee drafting the Republican 2008 election platform calls for banning all human embryo research in the United States, whether publicly or privately funded. John McCain, the presumptive Republican presidential nominee, is under no obligation to follow the party platform - which is a statement of principle with no binding power - but the change highlights the already noticeable contrast between him and the official party position. Although his running mate, Governor Sarah Palin of Alaska, opposes human embryonic stem-cell research, McCain has twice voted to loosen restrictions on federal funding of the work.
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