Some superPAC donors are hiding from public scrutiny. iStockphoto.com hide caption

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Kraft Foods has reinvented the Oreo for Chinese consumers. Its latest offering in China: straw-shaped wafers with vanilla-flavored cream filling. Kraft Foods hide caption

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Brandi and Kaylee plan to open a truck repair shop when they graduate from high school. Robert Smith/NPR hide caption

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Planet Money

Boom Town, U.S.A.

Rising gold prices mean Elko, Nev., is doing great. But people there know the good times won't last forever.

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