US military needs to talk to China on space, cyber issues, officials say

The U.S. and China are not having much-needed military discussions about risks in space, cyber, and nuclear defense—even as the relationship between the countries has thawed in the past year, a defense official said Wednesday. “The expansion of China's nuclear program raises the question of: what are all these nuclear weapons for, exactly, given that they have had this more limited doctrine in the past. And they haven't answered that question,” Ely Ratner, the Pentagon&rsq