Jackie Robinson's widow, Rachel, who's a Mets and Dodgers fan, helped honor her late husband before a Mets baseball game against the Chicago Cubs in April. Mets manager Jerry Manuel is at right. Kathy Willens/AP hide caption

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Children play on a Nigerian oil-flow station in 2007. Nigeria, a major oil source for the United States, is riddled with ancient pipes and constant spills. That, plus the geopolitical challenges involved, is why much of Nigeria's crude is the kind of "tough oil" that author Michael Klare describes. George Osodi/AP hide caption

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Plaquemines Parish coastal zone director P.J. Hahn lifts an oil-covered pelican, which was stuck in oil at Queen Bess Island in Barataria Bay, just off the Gulf of Mexico, in early June. Gerald Herbert/AP Photo hide caption

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Frank Loesser won the Academy Award for his song "Baby It's Cold Outside." Stroud/Express/Getty Images hide caption

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Women take part in a 1977 demonstration in New York City demanding safe and legal abortions for all women. Peter Keegan/Stringer/Hulton Archive/Getty Images hide caption

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