American nuns attend Mass at Sant'Apollinare in Rome. The umbrella group that represents the majority of the approximately 56,000 U.S. nuns plans to meet later this month to discuss its response to a Vatican reprimand. Andrew Medichini/AP hide caption

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Growth will remain low and consumers will be cautious as long as unemployment stays high, economists say. Scott Olson/Getty Images hide caption

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A shopper examines produce at a Wal-Mart store in Mexico City. Wal-Mart's expansion into Mexico has been a major success, but its business practices have raised new questions. Daniel Aguilar/Getty Images hide caption

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