Doctors say Israeli Prime Minister Ariel Sharon remains in "critical, but stable" condition today. That follows his second emergency brain surgery in two days. The World's Matthew Bell has an update on the Prime Minster's condition.

Host Lisa Mullins examines the career of critically-ill Israeli Prime Minister Ariel Sharon with Aaron David Miller, an adviser to six US secretaries of State on Arab-Israeli negotiations.

Sectarian tensions are mounting in Iraq and the threat of civil war continues to grow. The World's Quil Lawrence reports from Northern Iraq about the oil-rich city of Kirkuk, which is being claimed by three Iraqi ethnic groups.

The Democratic Republic of Congo has been fighting a civil war for six years. Host Lisa Mullins speaks with a British physician who calls the Congo War the deadliest conflict anywhere in the past 60 years.

Many Africans refuse to get tested for HIV, even though the continent has been the hardest hit by the AIDS epidemic. Correspondent Suzanne Marmion reports from central Zambia on how attitudes toward HIV testing are beginning to change.

Host Lisa Mullins speaks with Gershom Gorenberg, the author of a book about Israeli settlements, about Prime Minister Ariel Sharon's impact on Israeli politics.

While Israelis are monitoring the health of Israeli Prime Minister Ariel Sharon, many young Palestinians are looking forward to a post-Sharon era. The World's Aaron Schachter reports.

An American citizen who was injured in a suicide bombing in Israel is suing for damages. But the lawsuit is not against Hamas - it's against NatWest, a subsidiary of Royal Bank of Scotland. Host Lisa Mullins gets details from Peter Djinis, a financial crimes expert and a former US Treasury Department official.

Where in the world will we go today?

The answer to our Geo Quiz is Mesoamerica, the Central American region where Mayan culture flourished and continues to exist.