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People shoot their guns at a shooting range near the Crossroads of the West Gun Show in Tucson, Ariz., on Jan. 15. Kevork Djansezian/Getty Images hide caption

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Kevork Djansezian/Getty Images

Tom Gillian uses a snow shovel to chip ice from his windshield in Denver on Monday. A monster winter storm is revving up in the Rockies and is expected to drop up to 2 feet of snow in some parts of the Midwest and an inch of ice in others. Ed Andrieski/AP hide caption

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Ed Andrieski/AP

Motorists navigate the morning rush hour in Chicago. Ford and other major automakers hope to install technology in cars that enables vehicles to communicate with one another to avoid crashes. Scott Olson/Getty Images hide caption

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Scott Olson/Getty Images

The open pit mine at Molycorp Minerals' rare earths mining and processing facility in Mountain Pass, Calif. The mine is expected to produce 40,000 tons of rare earth minerals each year after a $500 million expansion project. Courtesy of Molycorp Minerals hide caption

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Courtesy of Molycorp Minerals

A protester in Cairo's Tahrir Square earlier today (Jan. 31, 2011). Chris Hondros/Getty Images hide caption

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Chris Hondros/Getty Images

Lourdes Garcia-Navarro speaks with Steve Inskeep

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