Motorcyclists Hanna Gilan, right, and her son Chaim Gilan fill up their Vespa scooters with less than two gallons at a gas station in the Echo Park district of Los Angeles on Oct. 4, 2012. Damian Dovarganes/AP hide caption
gas prices
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President Bush and then-Democratic presidential nominee John Kerry shake hands at the end of a presidential debate in 2004 in St. Louis. Researchers want to better understand why partisans' views of the facts change in light of their political loyalties. Charlie Reidel/AP hide caption
Partisan Psychology: Why Do People Choose Political Loyalties Over Facts?
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The prices at a gas station in Los Angeles earlier this month. Frederic J. Brown/AFP/Getty Images hide caption
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President Obama announces support for building an oil pipeline from Oklahoma to Texas, Thursday in Cushing, Okla. Tom Pennington/Getty Images hide caption
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A driver pumps gas into his Toyota Prius hybrid at a gas station in Sunnyvale, Calif., in 2007. Paul Sakuma/AP hide caption
Are High Gas Prices A Plot To Cut Consumption? GOP Says Yes
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How big a role do U.S. presidents really play in controlling gas prices? Prices were well over $4 a gallon in La Jolla, Calif. on March 8. Mike Blake/Reuters /Landov hide caption
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Gas prices in France have topped more than $8 a gallon in some areas. In this photo from January, a woman rides her bike past a gas station in Paris. Joel Saget/AFP/Getty Images hide caption
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People view Mississippi River floodwaters on Sunday, May 8, 2011, in Memphis, Tenn. Mark Humphrey/AP hide caption