The financial turmoil shaking major economies could hurt millions of people living on the edge. Experts examine the economic prospects in African nations already suffering from higher food and fuel prices.

From Beijing, The World's Mary Kay Magistad reports that preaching from the West about the superiority of the free market sounds unconvincing to the Chinese these days.

At least 1,000 people have been killed in Ciudad Juarez, just south of El Paso, in drug gang battles just this year. Houston Chronicle reporter Dudley Althaus has been reporting on the violence and tells Lisa Mullins that this year's crime level is unprecedented.

Mexico's state-owned oil industry fuels the economy. But the oil is running out. A debate is heating up over what to do next. The World's Lorne Matalon reports on Mexico's oil problem.

Eight years ago, Arab-American citizens favored George Bush for president. This year, polls suggest they're leaning toward Democratic candidate Barack Obama. And the war in Iraq plays a role in that shift, as The World's Jason Margolis reports.

Dearborn, MI

The 40th Booker Prize will be awarded tomorrow, naming the best novel in English by a writer from Britain, Ireland, and the Commonwealth. The World's book critic Christopher Merrill tells Lisa Mullins about a new book by last year's winner, Anne Enright, and Sebastian Barry's "The Secret Scripture," which is favored to win THIS year's Booker Prize.

On Columbus Day, the Mapuche parade in traditional dress to celebrate their history - not Christopher Columbus. We ask you to name the countries where this indigenous group lives.

For our Geo Quiz we were looking for the countries where you'd find the Mapuche, an indigenous people. The answers are Chile and Argentina. Mapuche protesters joined crowds along the streets of Santiago yesterday to protest the celebration of Columbus Day. The World's David Leveille reports.

Iran's authorities aren't too fond of hip-hop music, so many of Iran's rappers operate under the radar. Correspondent Roxana Saberi has the story of HichKas. He's one of Iran's most popular rappers, though he's never gotten government permission to release a CD.

McCain's smear campaign: Christo Komarnitski, Bulgaria