Correspondent Matthew Brunwasser examines how the United States and Russia are competing for influence in Bulgaria. While the US is strengthening military ties, Russia is relying on cultural and historical connections.

More than a dozen African countries are dealing with the worst flooding in decades. The rains have been falling since August and more than half a million people have been left homeless. Anchor Marco Werman speaks with the BBC's Sarah Grainger in the Ugandan capital Kampala, where the government declared a state of emergency today.

Diplomats hope they're closing in on stopping the carnage in Sudan's Darfur region. They're pushing warring parties toward negotiation. They're putting together a peacekeeping force. But they may not have the support teams or equipment to provide real security. The World's Jeb Sharp reports on this critical junction for Darfur.

September 20, 2007 full program

The World's Marco Werman takes us to Spain to meet flamenco piano player Diego Amador.

Today's Geo Quiz has four answers...the African countries of Burundi, Democratic Republic of Congo, Tanzania and Zambia. They all border Lake Tanganyika, where reporter Anna Sussman traveled to find out about a legendary man-eating crocodile.

Anchor Lisa Mullins speaks with Vitaly Kouznetzov, a Russian businessman who helped bring a little Las Vegas to northern Kurdistan with the launch of a new casino.

The American filmmaker DA Pennebaker is famous for movies about Bill Clinton (The War Room) and Bob Dylan (Don't Look Back). Back in 1959, he made a short film about an American exposition held in Moscow. Pennebaker is now in Moscow for the Russian premiere of the film, almost 50 years after it was shot.

Our daily geography quiz.

Chinese authorities want to shut down the "petitioners' village" in Beijing. The village is really a shantytown where Chinese from all over the country come to stay while in Beijing. They come to ask the central government for justice. The World's Mary Kay Magistad reports from Beijing.

Chinese petitioners