Editors' note: With Paul Ryan letting loose a string of whoppers at the GOP convention, Newsweek admitting it doesn't verify the accuracy of facts cited by its writers, and a top Romney aide defiantly proclaiming, "We're not going to let our campaign be dictated by fact-checkers," political fact-checking has been a hot topic this campaign season. For our September/October issue, David Corn took an in-depth look at how the verification industry plays into the political lying game—and whether it makes any difference.
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