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US election: The home stretch

The leading US presidential candidates are not trying to woo voters with science issues. But the senator who wins will help shape the world's most influential research agenda. Alexandra Witze looks at how John McCain and Barack Obama have developed their thoughts on science and technology, and where each of them might take the country if elected.

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Additional reporting by Jeff Tollefson and Meredith Wadman. For more on the US election, see

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Witze, A. US election: The home stretch. Nature 455, 442–445 (2008).

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