Once a fringe movement, green parties are increasingly shaping the debate in countries around the world. How influential are they, and what comes next?

Tariffs have been applied over the years to protect homegrown industries and target competitors who are seen as using unfair trade practices. They impose costs on both importers and exporters and had been in decline until the recent U.S.-China trade war.

The U.S. census, one of the few in the world to directly count every resident, is used to distribute political power and federal funding. The 2020 count has faced pandemic-related complications and a…

Charges of foreign power interference in the U.S. presidential election have raised grave national security concerns and touched off multiple federal inquiries that could drag on for months.

U.S. strategic and tactical nuclear weapons on land, in the air, and at sea, will undergo costly and extensive modernization in the coming years.