What's wrong with Huawei, and why countries are banning the Chinese telco

Tensions between free commerce and national security are not new

The Chinese telecommunications company Huawei is under scrutiny around the globe over concerns that its close ties with the Chinese government present national security threats to the U.S., Europe and allied countries. Huawei, which denies all the allegations against it, is “the world’s biggest supplier of telecoms gear” and has plans to “dominate the market” for the next generation of wireless communications, called 5G. But its hopes are threatened by governments around the world, which are restricting the company’s prospects and even banning it from operating in some