Chevy Cobalts on the assembly line in Ohio in 2008. Documents show General Motors was aware of problems with the car's ignition switch years before, but failed to act. Ron Schwane/AP hide caption

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The number of vehicles recalled has more than doubled in the past 20 years. Kevork Djansezian/Getty Images hide caption

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The Chevrolet Cobalt is one of the GM models being recalled for faulty ignition switches. David Zalubowski/AP hide caption

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Pepsi was the first American consumer product to be manufactured and sold in the former Soviet Union. In 1991, Russians could buy the soda for 20 kopeks, about 10 cents. Peter Dejong/AP hide caption

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Russia's Adelina Sotnikova (center) celebrates after receiving her gold medal in women's figure skating Thursday. South Korea's Yuna Kim (left) took silver, and Italy's Carolina Kostner won bronze. Antonin Thuillier/AFP/Getty Images hide caption

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Yuna Kim, of South Korea, won gold in Vancouver. She's leading the field after Wednesday's short program. Adrian Dennis/AFP/Getty Images hide caption

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An ice master checks the temperature of the ice rink at the Adler Arena Skating Center, site of the speedskating events at the Sochi Games. Patrick Semansky/AP hide caption

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