Huawei Files U.S. Lawsuit Disputing It Is a Security Threat

The Chinese telecom giant challenged its designation as a national security threat by the Federal Communications Commission, stepping up legal challenges in the U.S. despite a change of administration in Washington.The Chinese telecom giant challenged its designation as a national security threat by the Federal Communications Commission, stepping up legal challenges in the U.S. despite a change of administration in Washington.Read MorePAIDWSJ.com: US Business