Eurovision, Europe's premier pop-music song contest, bans songs that have political lyrics. Yet the 54-year-old competition has played a role in more than one country's political drama. Anchor Marco Werman explains.

A pair of prized Japanese melons hit the market today. They were the first of the season and they fetched 5200 dollars. That's a steal compared to last year's record-breaking $26,000 dollars. Tokyo-based reporter Tomoko Hosaka tells us what is so special about the Yubari melon.

Anchor Marco Werman speaks with British food blogger Simon Majumdar, who recently asked his readers to describe the world's best sandwich. He describes one favorite entry -- a mackerel sandwich from Istanbul, Turkey -- and Istanbul is the answer to the Geo Quiz.

Our daily geography puzzler.

The World's Alex Gallafent reports on a new exhibition in New York that explores the relationship between product design and sustainability.

The World's Laura Lynch reports on the growing scandal -- and taxpayer outrage -- in Britain over Members of Parliament and their dubious expenses.

The World's Clark Boyd reports on a graphic novel called "The Photographer: Into War-Torn Afghanistan with Doctors without Borders." It chronicles the work done by French photographer Didier Lefèvre while in Afghanistan with the humanitarian group Doctors without Borders. The trip took place during the Soviet occupation of Afghanistan in 1986.

Audio slideshow

Earlier this week, the New York Times ran a photo on the front page of three soldiers fighting in Afghanistan. One of them was wearing a helmet, armor, and a pair of pink boxers decorated with the words "I love NY." The soldier's name is Zachary Boyd. And his mother Sheree Boyd of Forth Worth, Texas, tells us how her 19-year-old son came to be wearing those boxers in the photo.

Anchor Marco Werman speaks with journalist Muna Shikaki, Washington correspondent for the Arabic language television channel Al-Arabiya, and Gregor Schmitz of German news magazine Der Spiegel, about how they are covering this week's news from Washington.

President Barack Obama says he plans to resurrect the military tribunals for terrorist suspects at Guantanamo Bay... with some key changes. The World's Matthew Bell reports.