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.

One of Asia’s most important annual economic gatherings still does not include India, a flaw that undermines efforts to expand trade and innovation throughout the region.

Political and economic unrest in Nicaragua could stoke the flames in a region where insecurity has forced tens of thousands to flee in recent years.

Ramped-up diplomacy in 2018 has eased tensions on the Korean Peninsula and led to a one-year halt in missile testing. But Pyongyang has not yet taken credible steps toward denuclearization.

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.