It reads like a scene from Henry Kissinger’s worst nightmare. China, Russia, and four Central Asian states gather today in Astana, the capital of Kazakhstan, to welcome India and Pakistan into the Shanghai Cooperation Organization (SCO), a security and economic club that excludes the United States. But what might have alarmed U.S. strategists during the Cold War could be cause for relief. The expansion signals a potential shift away from military coordination and toward economic cooperation.