Brig. Gen. Viet Luong of the 1st Cavalry Division came to the United States in the 1970s after his family fled Vietnam in the waning days of the war there. He's now leading the effort to train Afghan soldiers to fight the Taliban. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

A year ago, Lina says her parents took her to Yemen because her grandmother was gravely ill. But when the family arrived, Lina's father announced that she would be getting married to a local man. Renee Deschamps/Getty Images/Vetta hide caption

itoggle caption Renee Deschamps/Getty Images/Vetta

The California Supreme Court righted what it called a "grievous wrong" by posthumously granting a law license to Hong Yen Chang, a Chinese immigrant whose application was denied because of his race 125 years ago. AP/Ah Tye Family hide caption

itoggle caption AP/Ah Tye Family

Young fans of the German national soccer team drink iced tea in July 2010 as they watch the FIFA World Cup semi-final match Germany vs. Spain in an Arabic cafe in Berlin's Neukölln district. The neighborhood has gentrified rapidly in recent years, but many of the white families moving in leave once their children reach school age. Local groups are trying to change that. AFP/AFP/Getty Images hide caption

itoggle caption AFP/AFP/Getty Images

A sonar profile view of SS City of Rio de Janeiro above a painting of the steamer. Coda Octopus (top) and painting of SS City of Rio De Janeiro /NOAA (top); Mystic Seaport (bottom) hide caption

itoggle caption Coda Octopus (top) and painting of SS City of Rio De Janeiro /NOAA (top); Mystic Seaport (bottom)

U.S. Border Patrol agent Richard Funke looks for footprints from illegal immigrants crossing the U.S.- Mexico border near Nogales, Ariz., in 2010. John Moore/Getty Images hide caption

itoggle caption John Moore/Getty Images

French riot policemen force out migrants who were hidden in a truck that was making its way to the ferry terminal in Calais in western France on Wednesday. The cross-Channel port has become the last barrier for economic and political migrants trying to enter Britain illegally. Pascal Rossignol/Reuters/Landov hide caption

itoggle caption Pascal Rossignol/Reuters/Landov

Mina Bestman moved to Georgia from Liberia almost 20 years ago. She owns Mina's Cuisine, a West African restaurant that caters to homesick Liberians. Dustin Chambers for NPR hide caption

itoggle caption Dustin Chambers for NPR

Lindolfo Carballo, an immigrant from El Salvador, meets his son, Raynel, outside school. In El Salvador, he says, families often "teach their boys one thing and their girls differently." He's trying to set a different example for his children. Sarah Tilotta for NPR hide caption

itoggle caption Sarah Tilotta for NPR

A slide of migratory flows in the Mediterranean Sea from the Mare Nostrum operation is displayed in the control room of the Italian operation, which tracks and intercepts migrant ships en route to Europe. Sylvia Poggioli/NPR hide caption

itoggle caption Sylvia Poggioli/NPR

Demonstrators from opposing sides confront each other while being separated by police officers on July 4, outside a U.S. Border Patrol station in Murrieta, Calif. Mark J. Terrill/AP hide caption

itoggle caption Mark J. Terrill/AP