We've all seen it happen. A reporter asks a question, and the person being interviewed gives an answer that sounds convincing but doesn't address the question. Denise Graveline writes about the risks sources run when they play that game. Referencing a recent Science Friday piece on the "artful dodge," Graveline asks: "What's your goal? To try to outwit the questioner or to convey credibility? In this case, you may be trading one for the other."
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