In the first of a four-part series, The World's Jason Margolis looks at the impact of the economic downturn on immigrant life here. California has roughly a quarter of the nation's 12 million undocumented immigrants. And many work out in the fields of the San Joaquin Valley. When hard times hit, they have little to fall back on.

Series page: Immigration during times of recession

Our daily geography quiz.

The guilty verdict reached against an Egyptian businessman surprised many in the country. As Aya Batrawy reports, it wasn't because of a lack of evidence, it was that Egyptians figured the rich and powerful could never be brought to justice.

The poem "In Flanders Fields" was written by a Canadian military surgeon during World War One. Flanders Fields is the answer to our Geo Quiz. We speak with Piet Chielens, a curator at the In Flanders Fields Museum in Belgium.

The World's Marco Werman reports on how some Bedouin musicians found some military debris in the desert from the 1967 Six Day War, and transformed the trash into percussion instruments for their band, the Bedouin Jerry Can Band.

Today on The World: North Korea test-fired more missiles today -- in spite of international condemnation of its nuclear and missile tests yesterday. A former American military contractor tells us about his five years in the Colombian jungle as a hostage of the FARC rebels. And a suburban home on Long Island doubles as the Consulate of San Marino in the US.

The World's Mary Kay Magistad reports from Beijing on China's measured response to North Korea's defiant actions over the last two days. China is considered North Korea's closest ally.

North Korea's strategic arsenal

Anchor Lisa Mullins speaks with Colum Lynch of the Washington Post about North Korea's defiant actions over the past two days. Today North Korea test-fired more missiles, in spite of widespread international condemnation of its nuclear and missile tests yesterday.

The World's Jeb Sharp looks back at some key moments in the formation of North Korea's nuclear program. It became visible to the world in the 1980s, but its origins go back to the 1950s and the politics of the Cold War.

Anchor Lisa Mullins speaks with former American military contractor Marc Gonsalves about his experience being held hostage for more than five years by the Revolutionary Armed Forces of Colombia or FARC. Gonsalves was on board a plane that went down in FARC territory during a counter-narcotics mission in 2003.