Last week’s mail bombs and synagogue attack have reignited a heated discussion of hate crimes and terrorism in the United States. Definitions matter in this debate.

The region’s fast-growing but fragile democracies have been susceptible to strongmen and autocratic-leaning populists in recent years, propelled by concerns over inequality, crime, and dysfunctional …

Jair Bolsonaro has vowed to overhaul Brazil’s economy and align the country more closely with the United States, with uncertain implications for its relations with China.

The conference in Poland will be a major test of the world’s collective political will to fight global warming. Following through on promises made in Paris will not be easy.

The U.S. withdrawal from Syria removes the main obstacle to a Turkish campaign to eradicate Syrian Kurdish forces and could lead to a more dangerous phase of Syria’s civil war.