Secretary of State Condoleezza Rice and her Czech counterpart signed an agreement today to build part of a missile defense system near Prague. Russia responded with a warning that it will respond with military means if the Czech parliament ratifies the agreement. Anchor Lisa Mullins speaks with Lawrence Korb, an Assistant Secretary of Defense under President Reagan.

Three Americans held captive for more than five years in the jungles of Colombia have returned home. Now that they are free, the former captives are expressing concern for the people still being held hostage. The World's Matthew Bell reports.

Leaders of the world's richest nations are meeting in Japan for the annual Group of Eight (G8) summit. They've reached a common goal to fight global warming. The World's Jason Margolis has more.

Palau and other Pacific island nations aren't represented at the United Nations by their own citizens. They're represented by American lawyers and law students. The Americans are pushing the UN to act quickly on climate change. The World's Julia Kumari Drapkin has the story.

Ambassador Beck

The World's Mary Kay Magistad continues her series on China's rapid urbanization. Today, she reports on the forces that have shaped Beijing, a city that some say has lost its soul because of urban growth.

Beijing old and new

The animated movie Kung Fu Panda is going down well in China. But some worry that one of China's cultural treasures, the panda, is being exploited by Hollywood.

For today's Geo Quiz, we're looking for the name of a Pacific Island that will be home to a new 100% environmentally friendly airport.

Host Lisa Mullins speaks with Timothee de Roux of the French travel website Expedia.fr. The site published a survey about tourists in Europe. It found that Americans are no longer considered the most obnoxious tourists traveling through Europe. That dubious title now apparently belongs to the French.

The answer to our Geo Quiz is Baltra Island, a small flat island near the center of Ecuador's Galapagos Islands. Baltra will be home to a new "green" airport.

Religion and politics clash in Turkey. The ruling Justice and Development Party is rooted in Islam. But they say they don't have an Islamic agenda. But opposition groups don't believe it. And one religious group is getting caught in the middle of the struggle. They are called the Allawites. The World's Aaron Schachter has the story.