In a region seen as turning leftward, forging alliances would seem a natural course of events. But Bolivian President Evo Morales’ decision to nationalize the oil and gas industry is exposing tension…

The eurozone crisis has consequences far beyond the continent’s economic performance, such as the EU’s ability to forge coherent defense and foreign policy.

Violent acts by homegrown militant extremists in the U.S. have declined, but "lone wolf" attacks are on the rise. The post-9/11 legal and political landscape poses new challenges to law enforcement a…