https://www.reuters.com/article/usa-china-telecoms/fcc-revokes-authorization-of-china-telecoms-u-s-unit-idUSKBN2HG1WU >WASHINGTON (Reuters) -The U.S. Federal Communications Commission (FCC) on Tuesday voted to revoke the authorization for China Telecom's U.S. subsidiary to operate in the United States, citing national security concerns.