Cybersecurity analysts work in the watch and warning center during the first tour of the government's secretive cyberdefense lab intended to protect the nation's power, water and chemical plants, electrical grid and other facilities on Sept. 29, 2011, in Idaho Falls, Idaho.
Mark J. Terrill/AP
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.
Former Yukos CEO Mikhail Khodorkovsky walks into court in Moscow, Russia, May 24, 2011. A Moscow appeals court upheld the second conviction of Khodorkovsky, reducing his prison sentence by one year for a total of 13 years. He will be released in 2016.
Attorney William T. Gibbs (left), and Tregg Duerson, son of former Chicago Bears player Dave Duerson, announce the filing of a wrongful death lawsuit against the NFL on Feb. 23 in Chicago. The lawsuit accuses the NFL of negligently causing the brain damage that led Duerson to take his own life at 50, by not warning him of the negative effects of concussions.
Charles Rex Arbogast/AP