This week on the podcast. An epic Challenge of Flight. Taking a journey to the sun. A profile of a blogger in Baghdad. The quandary of what to do with nuclear garbage in Serbia. And a small town in South America get Wi-Fi. And the World's Clark Boyd... Where is he now? Tune in to find out.

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The World's Alex Gallafent profiles Polish trumpet player Tomas Stanko.

Today's answer is Panjshir a river valley in eastern Afghanista, where decades of war have left behind the remains of tanks, jeeps and armored vehicles. The World's Aaron Schachter sends and audio postcard.

The World's technology correspondent Jason Margolis has the epic tale of a Canadian researcher and a machine dubbed the ornithopter.

Where in the world will we go today?

The war in Iraq is playing into the US congressional races across the country. Eric Whitney of station KRCC looks at one district in Colorado where a Democrat has a chance at taking over a traditionally Republican seat.

Lisa Mullins speaks with Iraqi politician Adnan Pachachi about the challenges facing Iraq now and in the near future.

Listeners comments on stories heard on The World.

The World's Gerry Hadden reports from the suburbs of Paris on the anniversary of the youth riots that rocked France last year. The passage of time has brought little improvement to the lives of young people in the French suburbs. Many say they still face discrimination as the children of immigrants.