A migrant from Guatemala who did not want to be identified walks along the railroad tracks toward a northern-bound freight train in Guadalajara, Mexico, last month. Carlos Jasso/AP hide caption

Kelly Plandel works on the renovation of a Portland State University classroom in Portland, Ore., in July. The renovations are part of Oregon's $176 million stimulus package. Don Ryan/AP hide caption

The Wide Field and Planetary Camera 2, now on display at the Smithsonian's National Air and Space Museum, returned to Earth in May 2009 after more than 15 years in orbit. Eric Long/NASM hide caption

An undated handout photo of Maj. Nidal Hasan, who is accused of killing 13 people at Fort Hood, Texas, earlier this month. U.S. Government Uniformed Services University of the Health Sciences/Getty Images hide caption

Johnny Mercer's hometown of Savannah, Ga., dedicated a monument to him on what would have been his 100th birthday. Special Collections and Archives, Georgia State University Library hide caption

A new report by a human rights organization says the current Cuban regime, headed by President Raul Castro, uses an "Orwellian" law to keep dissidents locked up. Adalberto Roque/AFP/Getty Images hide caption

Tariq al-Hashemi, Iraq's Sunni Arab vice president, speaks Wednesday during a press conference in Baghdad about the upcoming elections. Hashemi vetoed part of a key election law, throwing national polls slated for January and a planned U.S. troop drawdown into question. Karim Kadim/AP hide caption

A 1920s postcard of the Euclid Square Garage in Cleveland. Courtesy of the Walter Leedy Postcard Collection, Special Collections, Cleveland State University Library hide caption