Word: shiftsbush
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...voters, are unreachable. The wizards say they can correct for these things, by "weighting" their polls--that is, giving disproportionate weight to members of underrepresented groups like young people. But surely that makes polling less scientific and more speculative. It means polls should be trusted only to verify broad shiftsBush moved ahead in the presidential race after the Republican Conventionrather than specific point spreads...
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