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.
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.
Job seekers line up at a job fair in SeaTac, Wash. The number of people requesting unemployment benefits last week plunged to a nearly three-year low, bolstering hopes that companies will hire more this year.