The threat of climate change and the rise of China have prompted renewed debate about the U.S. government’s role in shaping the economy.

Targeted killings, especially those conducted by drone strikes, have become a central component of U.S. counterterrorism operations around the globe.

The federal agency has a broad mandate to protect Americans’ health and an expansive global reach. But the COVID-19 pandemic has been one of its most daunting challenges.

The experiences of dozens of countries offer lessons for U.S. officials as they prepare for the presidential election during the coronavirus pandemic.