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Mixed Signals

On the one hand, the U.S. Department of Agriculture is in the business of getting Americans to eat healthier food, but on the other hand, it is also in the business of promoting the excessive consumption of cheese. Correspondent Rick Karr explains the mixed signals the government sends when it comes to nutrition.
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Less noise. More news. PBS's new TV and Web newsmagazine gives you what you need to know — along with a healthy dose of insight, perspective, and wit. Need to Know cuts through the noise of nonstop news to bring you the most compelling stories of the week and of our times, every Friday night and all week long on the Web.
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