Thanksgiving travelers pass though the baggage claim area at Chicago's O'Hare International Airport Tuesday. Rex Arbogast/AP hide caption

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Sections of worn concrete are removed from a section of Interstate 90 during a repaving project in June near Snoqualmie Pass, Wash., one of several projects on the roadway that are being paid for by federal stimulus money. Elaine Thompson/AP hide caption

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Italian Prime Minister Silvio Berlusconi, French President Nicolas Sarkozy, Russian President Dmitri Medvedev, US President Barack Obama, UN Secretary General Ban ki Moon and Libyan Leader Muammar Gaddafi pose for a photo on the third day of the G8 summit July 10 in L'Aquila, Italy. Oli Scarff/Getty Images hide caption

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Firefighters work a fire threatening houses in the La Cresenta section of Glendale, Calif., on Tuesday. LM Otero/AP hide caption

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Sen. Edward M. Kennedy (D-MA) addresses the Democratic National Convention in Denver on Aug. 25, 2008. Paul Sancya/AP hide caption

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