A central question hanging over the summit this week is whether China will agree to extend a temporary postponement of even tougher rare-earth export controls.

As President Trump prepares to meet with Xi Jinping, a trade war that once threatened to freeze commerce between the two countries has given way to an uneasy truce.

The latest artificial intelligence models from Anthropic and OpenAI are extending the United States’ lead over China and intensifying the rivalry between the countries.