Rene Gutel reports from Arizona on a new political ad airing around the country. It's called "Where's the Fence?" It's about border fence construction approved by Congress, but not yet completed. The main targets of the ad, though, are lawmakers, like Senator John McCain of Arizona, who support an immigration reform plan currently being debated on Capitol Hill.

Few Asians hold top positions in corporate America. A young Korean studying at Princeton thinks he knows why. Rudy Lee made a film about the clash between traditional Asian values and American corporate culture. Host Lisa Mullins speaks with Lee about the challenges facing young Asian-Americans as they enter the work force.

Correspondent Sheri Fink reports on the struggles among the migrant worker population in New Orleans. Thousands of undocumented immigrants flocked to the city to help with demolition and reconstruction after Hurricane Katrina. But they're having trouble getting help, such as healthcare, when they need it.

Correspondent Rob Schmitz reports from Los Angeles on a new grassroots movement aimed at helping illegal immigrants caught up in federal raids. Organizers criticize the raids for separating parents from their children. They're offering sanctuary in churches around the country to immigrants facing deportation.

Anchor Marco Werman speaks with Andres Rozental, a former Mexican diplomat who has advised Mexican presidents on immigration issues. Mexicans are following the debate in Washington over a new bipartisan proposal to reform US immigration laws.

Correspondent Amy Costello reports on a boycott of the Saigon Grill restaurants in New York. The protesters are Chinese delivery men who've been fired from those eateries. They say they were paid as little as $1.60 an hour.

The use of hospice care is growing in the United States, but not within the Hispanic community. Correspondent Sarah Bush reports from Austin, Texas.

Demonstrators have been demanding a path to citizenship for an estimated 12 million illegal immigrants today. Anchor Lisa Mullins speaks with reporter Yolanda Perdomo, who was at the protest in Chicago.

The World's Jessie Graham reports on a program here in the United States that helps immigrants from several African countries cope with their memories of war back home. We hear how some American therapists are trying to overcome the immigrants' reluctance to talk about their traumatic experiences.

Federal immigration officials are on a nationwide search for immigrants who've been ordered to leave the US but are still in the country. It's called Operation Return to Sender. KPBS Border Reporter Amy Isackson accompanied officers on a raid in San Diego and sent this report.