Every four years, U.S. presidential candidates compete in a series of state contests to gain their party’s nomination. The political process is one of the most complex and expensive in the world.

For many policymakers, economic sanctions have become the tool of choice to respond to major geopolitical challenges such as terrorism and conflict.

China and India increasingly vie for strategic advantage in the Indian Ocean, while also cooperating on some transnational security issues.  

Hydraulic fracturing has unlocked huge reserves of shale gas and oil, transforming the energy outlook in the United States and the world, even as local opposition and falling world prices threaten th…

Tech and auto companies in the United States, Europe, and Asia are moving forward rapidly with efforts to develop driverless cars and street networks. The benefits appear tantalizing, but roadblocks …