A "historically low inventory" of cattle and hogs is driving up meat prices, a trend that's expected to continue next year, USDA economist Richard Volpe says. Justin Lane/EPA/Landov hide caption

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Corn plants dry in a drought-stricken farm field on July 17 near Fritchton, Ind. The corn and soybean belt in the middle of the nation is experiencing one of the worst droughts in more than five decades. Scott Olson/Getty Images hide caption

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As part of the New Media Entrepreneurship camp, participants paid a visit to Google. Joshua Cassidy/KQED hide caption

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In 2001, Sally Koslow's then 25-year-old son moved back home after graduating from college. Jim Tierney hide caption

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The marble statue of Plato stands in front of the Athens Academy in Athens. The ancient Greek philosopher had his doubts about democracy. Dimitri Messinis/AP hide caption

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Navy veteran Howard Dunn and Army veteran Tom Kaine remember when the Red Cross briefly charged servicemen for doughnuts during World War II. Many veterans still resent it. Chana Joffe-Walt/NPR hide caption

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U.S. soldiers receive refreshments, including doughnuts, from an American Red Cross clubmobile in London. Soldiers today still resent a Red Cross move to charge for doughnuts. Library of Congress hide caption

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Planet Money

The Cost Of Free Doughnuts: 70 Years Of Regret

When the Red Cross began charging soldiers for snacks during World War II, it learned a painful lesson in the economics of free stuff.

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