Just a few hundred kilometers north of the Vietnamese capital, Hanoi, lies the southern border of China — the world’s second-largest economy and New Zealand’s biggest trading partner.
The uncertain reaction to Xi Jinping’s display of warmth made sense: Executives are eager for a reset after years in the cold but ever wary of meddling.
China and Russia, America’s top two global adversaries, are working together as never before, probing the defenses of the U.S ...