Sri Lanka’s government has scored a string of wins in its long-standing civil war with Tamil militants. But it faces the challenge of integrating its Tamil minority.

The Gulf of Mexico oil spill spotlights the growth of deepwater drilling and the challenges of balancing strong environmental regulation with efforts to expand U.S. domestic oil production.

President Obama vowed in January 2009 to close the prison camp at Guantanamo Bay. Two years later, the White House continues to face challenges to that promise, leaving critics to suggest the facilit…

Non-OPEC oil producers, which turn out most of the world’s oil, are operating near capacity.

China has grown into a trading giant, but recent concerns over the safety of Chinese food and drugs have increased worries that China’s production may have outpaced the country’s policing capacity.