China-US Tech War Spirals Over Smart Devices

China has responded angrily to calls by a U.S. Congress committee for scrutiny of Chinese-made internet modules that are increasingly embedded in devices that range from vital U.S. first responder systems to electronic cars to smart refrigerators.

The Chinese comments follow Newsweek's exclusive reporting on the presence of the modules in the systems used by firefighters and police as well as on the congressional demands for investigation of their ubiquity in the so-called Internet of Things. The quarrel over the devices has opened another front in the increasing war over technology between the United States...