China Telecom was barred from operating in the United States on Tuesday, citing “significant” national security concerns, further straining already strained relations between the superpowers. The action is the latest shot in a long-running feud between the world’s two largest economies over a variety of topics including Taiwan, Hong Kong, human rights, trade, and technology. It also comes as US Vice President Joe Biden continues to pursue a tough stance against Beijing, similar to that of his predecessor Donald Trump, whose bombastic attitude heightened tensions. The Federal Communications Commission (FCC) has ordered China Telecom Americas to cease operations in the…