Summary
Polls can do some things, but not all things
When John Edwards did better than anybody expected in Tuesday's Wisconsin primary, some experts had the job of explaining why. Political people want to know.See the full content of this document
Extract
Commentary; Election Night Expertise Bogus
But, given that the experts hadn't been smart enough to see the Edwards surge coming, the notion that they knew by Tuesday night why it happened is hard to take seriously. How much smarter can they get in one d...
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