Can science influence politics in the forthcoming US elections? Nature investigates how Democrats and Republicans are striving to win the hearts of voters. heather Wilson has something she wants the voters of New Mexico's first congressional district to know about her: unlike President George W. Bush, she supports embryonic stem-cell research. In a local television advertisement last month, Wilson told viewers in Albuquerque and its environs: "The president vetoed the stem-cell bill, and I voted to override his veto because it was the right thing to do."
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