Bush's Fuzzy Science?

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That's not the only question to which Bush's proposal will be subjected on Capitol Hill, starting with hearings this week before the Senate Health Committee. Lawmakers also want to know whether patents and other legal obstacles will restrict use of the cell lines and whether they might have been tainted by exposure to mouse cells and bovine serum. G.O.P. Senator Arlen Specter says the doubts that researchers are raising about their own work makes it "a fair pending question" whether political pressure is distorting what should be an ethical and scientific debate. At a minimum, the issue seems to have taken a detour into what one presidential candidate of recent memory might have called "fuzzy science."