Matthew Diller, dean of Yeshiva University's Cardozo School of Law, talks with press about the New York Immigrant Family Unity Project in June. Cardozo School of Law hide caption

itoggle caption Cardozo School of Law

Formerly known as the Alexandria Slave Pen, this ashen gray row house in Alexandria, Va., once housed one of the country's largest slave-dealing firms. Hansi Lo Wang/NPR hide caption

itoggle caption Hansi Lo Wang/NPR

Attorney Francis Chin (center) runs through his lines with Yang Chen at a rehearsal for 22 Lewd Chinese Women, the latest trial re-enactment by the Asian American Bar Association of New York. Hansi Lo Wang/NPR hide caption

itoggle caption Hansi Lo Wang/NPR

Students walk by Founders Library on Howard University campus in Washington, D.C. Meredith Rizzo/NPR hide caption

itoggle caption Meredith Rizzo/NPR

New York police officers walk through a Brooklyn housing development in August. Seth Wenig/AP hide caption

itoggle caption Seth Wenig/AP

Harold Lee's son Henry, perched on the roof of a camera truck, helped produce and import Chinese-language films from Hong Kong and China in the late 1940s. Courtesy of the Lee Family hide caption

itoggle caption Courtesy of the Lee Family

In the new film adaptation of Twelve Years A Slave, Chiwetel Ejiofor plays Solomon Northup, a black man who was kidnapped and sold into slavery in 1841. Jaap Buitendijk/Fox Searchlight Pictures hide caption

itoggle caption Jaap Buitendijk/Fox Searchlight Pictures

Protesters chant during the immigration reform rally in front of the U.S. Capitol on Tuesday. Capitol Police arrested 200 demonstrators after they sat down and blocked a street. Abbey Oldham/NPR hide caption

itoggle caption Abbey Oldham/NPR

Jeremy Lin fans cheer during a game between the New York Knicks and Philadelphia 76ers in March 2012. Drew Hallowell/Getty Images hide caption

itoggle caption Drew Hallowell/Getty Images

Students and alumni line up at Howard University in Washington, D.C., before August's commemoration of the 50th anniversary of the March on Washington. Nathaniel Grann/The Washington Post/Getty Images hide caption

itoggle caption Nathaniel Grann/The Washington Post/Getty Images

Young people stand in line in Los Angeles to apply for the Deferred Action for Childhood Arrivals program, which allows qualified immigrants who entered the U.S. illegally as children to study or work openly. Frederic J. Brown/AFP/Getty Images hide caption

itoggle caption Frederic J. Brown/AFP/Getty Images

Sam Li, 52 (center, lime green) has been playing 9-man volleyball for nearly 30 years and keeps up with the younger players. Kainaz Amaria/NPR hide caption

itoggle caption Kainaz Amaria/NPR

Demonstrators on Saturday in Washington, D.C., commemorate the 50th anniversary of the March on Washington for Jobs and Freedom. Kevin Lamarque/Reuters/Landov hide caption

itoggle caption Kevin Lamarque/Reuters/Landov