The alliance with Japan has been the cornerstone of U.S. security policy in East Asia for decades. Now, Japan’s role in global security is growing as challenges from China and North Korea mount.  …

The sprawling U.S. water system is central to the nation’s economy, but chronic underinvestment, increasing demand, and the consequences of climate change have revealed the system’s weaknesses.  

The United States continues to seek strategies for responding to the growing number of migrants fleeing poverty, violence, and other challenges in the Central American region.

The dizzying rise of bitcoin and other cryptocurrencies has created new challenges for governments and central banks. Increasing popularity and high levels of market volatility have raised the stakes…

As Europe has weathered a succession of economic crises, the European Central Bank has responded with an aggressive set of monetary policies that have redefined the bank’s original mandate.