Vis-photo

• How Chevron Aims to Tap More Oil Below Kazakhstan’s Grassy Plains - After spending nearly $50 billion to expand the country’s Tengiz oil field, the American oil giant and its partners encounter more uncertainty.
• Christmas Around the World in Photos - The holiday spirit is bringing people together, with celebrations of lights, dance and Santa.
• Sudanese Refugees Describe Their Escape From Darfur - No one knows the true toll of the massacre, and the city remains isolated. Now, refugee camps in Chad are flooded with newly displaced Sudanese.
• Fed Up With the Taliban, Pakistan Expels Masses of Afghans - Labeling Afghans a national security threat, Pakistan has forced out about a million this year, depriving them of a haven from Afghanistan’s turmoil.