U.S. and international sanctions have battered the Iranian economy and brought Tehran to negotiate over its nuclear program. Lifting them is central to a deal but will be a complex process.

Algerian and Western counterterrorism efforts, along with an African-led peacekeeping force in Mali, have shifted the North African al-Qaeda franchise’s criminal and terrorist activities to remote ar…

The U.S. transport system is badly in need of infrastructure investment, and the country could suffer competitively if the status quo persists.

There have long been disputes over the role of Congress and the president in waging military action.