NATO leaders gathered in the U.K. this week to celebrate the alliance’s 70th anniversary, amid disagreements over military spending and deeper questions over the alliance’s strategic purpose. For this week’s interview on Trend Lines, Elliot Waldman discusses the challenges facing NATO with Claudia Major.

There has been much talk in recent months about a decoupling of the world’s two largest economies, driven by the Trump administration. But Alibaba, WeChat and other Chinese tech companies show that Beijing has been pursuing a decoupling of its own, or at least a strategy of asymmetrical market access, for decades now.