Longtime Venezuelan leader Hugo Chávez’s fourth term as president allows for the continuation of his "socialist revolution," but questions over his health remain a wildcard in assessing Venezuela’s f…

A profile of the Group of 20 major and emerging world economies.

The longstanding U.S.-South Korea alliance, created as a bulwark against a communist North Korea, has expanded to include tighter trade ties and cooperation on global issues from climate change to in…

Financial pressures have weakened al-Qaeda’s tactical abilities, but analysts say affiliated networks are finding new ways to raise and spend money, complicating efforts to squeeze a savvy foe.