For today's Geo Quiz we were looking for the second largest city in Iran. The answer is Mashhad, a city where you can find high quality saffron. Iranian-born journalist Gelareh Asayesh tells anchor Lisa Mullins about her memories of the saffron harvest.

Our daily geography quiz.

The World's Mary Kay Magistad profiles a pair of rising stars within China's Communist Party, one of whom is likely to take the helm from current President Hu Jintao.

Human rights groups want China to use its influence to end the suffering in Darfur. They say it's the right time. The international spotlight will be on China as host of next year's Summer Olympics. But experts don't expect China to yield to critics. Anchor Lisa Mullins finds out more from China expert, Jeffrey Bader of the Brookings Institution.

Darfur peace talks are due to begin Saturday. But Darfur's rebel commanders are in disarray, and international mediators are trying to unify them. The World's Jeb Sharp reports on Darfur's rebels -- who they are and what they want.

Lisa Mullins speaks with Andrew Gordon, author of a book about Red Sox pitcher Daisuke Matsuzaka, whose exploits on the mound are followed closely in Japan. Baseball fans there are celebrating that Matsuzaka has helped the Red Sox win a trip to the World Series.

New legislation from the European Union is aimed at shutting down websites that promote terrorism. But as The World's technology correspondent Clark Boyd reports, the plan is fraught with legal and technical complications.

Today's nuclear tensions with Iran harkens back 45 years to the Cuban missile crisis. Anchor Lisa Mullins has the story.

The World's Aaron Schachter reports on the latest exchange of heated rhetoric between the United States and Iran. Over the weekend, Vice President Cheney said the world would not stand by and let Iran develop a nuclear weapon. Tehran responded today with a statement saying it will not abandon its right to nuclear technology.

Tensions between Turkish soldiers and members of the Kurdish militant group, the PKK, erupted this weekend along the border between Turkey and northern Iraq. Anchor Lisa Mullins gets the latest from the BBC's Crispin Thorold.