Even as the United States and China push their economies farther apart with escalating tariffs, they share an inescapable challenge. Both depend on Taiwan for semiconductors.
And navigating that reliance could prove to be one of the trickiest policy problems both countries face in their trade war.
China and the United States both view Taiwan’s dominance of the global tech supply chain as a national security risk. In response, they have tried to boost their own capacity to make the chips they need.
But as they come to grips with how difficult it is to…