Anchor Marco Werman speaks with Roberto Fonseca, a Cuban pianist who is regarded as a successor to the great musicians of the Buena Vista Social Club. Fonseca is a young 32 years of age, but he played with the old Buena Vista masters and is following in their footsteps. He's also got some original ideas, such as playing the piano like a percussion instrument.

For today's Geo Quiz we were looking for a small town outside of Moscow that is named after the late Russian aviation scientist, Nikolai Zhukovsky. The answer is the town of Zhukovsky where a large air and space show is taking place.

French President Nicolas Sarkozy is the subject of a new book that is causing a sensation in France. It's by one of the country's best-known playwrights, Yasmina Reza, who followed Sarkozy on the campaign trail for a year. The World's Marco Werman speaks with Vivienne Walt, Paris-based correspondent for Time Magazine, about the buzz being generated by the book.

The World's daily geography quiz.

Questions about the mysterious illness that killed Palestinian leader Yasser Arafat nearly three years ago in Paris are re-surfacing throughout the Middle East. Earlier this month, Arafat's personal physician told al Jazeera that the Palestinian leader had AIDS. Matt Gutman reports.

Anchor Marco Werman gets an insider's perspective on recent tensions between Washington and Baghdad from Kamran Karadaghi. He was chief of staff to Iraq's President Jalal Talebani until two weeks ago. Karadaghi doesn't think US troops should withdraw, but he admits the Iraqi government doesn't work as well as it should.

Anchor Marco Werman speaks to Tom Coghlan of Britain's Daily Telegraph newspaper. He's just returned from a rare and risky visit to Tora Bora. That's the cave complex in the mountains of eastern Afghanistan that was once a hideout for al Qaeda leader Osama bin Laden.

This weekend a new bridge, built with US funds, will be opened in Tajikistan. The hope is that the bridge will increase trade and stability in the country. The World's Mary Kay Magistad visited the bridge on the Tajik-Afghan border and filed this report.

Defense lawyers routinely visit their clients in prison. But that's not easy to do, when the prison is in Guantánamo Bay, Cuba. The World's Katy Clark reports on how difficult it is for defense lawyers to meet with their clients at Guantánamo.

A new military appeals court in Washington heard arguments today. The case before the court hinges on how the government classifies prisoners at Guantanamo. The legal dispute centers on just one word: "unlawful." The World's Matthew Bell has the story.