Our daily geography puzzler.

Venezuela is the first Latin American country to tap into Open Source. That's computer software that can be freely shared, modified, and improved by users. President Hugo Chavez has mandated that all public agencies begin using Open Source by next year. The World's Ruxandra Guidi has details.

Lego building blocks joined the computer generation with Mindstorms. Now Lego is taking its toy to a new level. And Lego hackers helped develop it. Brandan Koerner of Wired Magazine tells host Marco Werman how it happened.

Today's answer is the top five countries with the largest population of Buddhists. They are China, Japan, Thailand, Vietnam, and Myanmar, formerly known as Burma.

Mexican-born Rebecca Webb Carranza was the creator of the tortilla chip. She died last month at age 98. Today we remember her as an unsung innovator and hear about how she came up with the tortilla chip from her sons, Mario and Victor.
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Host Marco Werman profiles Mexican band Los de Abajo, whose latest recording, "The Lunatics," condemns globalization.

President Bush revealed new details today about a foiled 2002 terrorist plot to attack Los Angeles. But the revelation comes at a time when the administration's domestic surveillance program is under scrutiny. The World's Matthew Bell reports.

Today's briefing on the NSA wiretapping was not the first time the executive and legislative branches have gone toe-to-toe on domestic surveillance programs. The World's technology correspondent Clark Boyd looks back at the history of wiretapping in the United States.

The road to Baghdad International Airport in Iraq was one of the most dangerous in the world. Now the statistics show that it's become relatively safe. Host Quil Lawrence gets the story from Larry Kaplow is the Baghdad bureau chief for Cox Newspapers.