Megan Smith is the new U.S. chief technology officer. Ariel Zambelich/NPR hide caption

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Ariel Zambelich/NPR

From Silicon Valley To White House, New U.S. Tech Chief Makes Change

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A Mexican attempt to curb bribery among traffic cops turns on the belief that women are less likely to take illicit payments from drivers. A new study suggests that this approach can work, under the right circumstances. iStockphoto.com hide caption

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