An interagency working group is seeking a "rational approach" to implement what officials concede is a "complicated," wide-reaching federal ban on procuring or otherwise using technology made by Huawei, ZTE and other Chinese firms, according to officials speaking at a MITRE Corp. event this week. Officials addressed the future ban during the Dec. 18-19 "Software and Supply Chain Assurance" winter forum hosted by MITRE in McLean, VA, and co-sponsored by the Department of Homeland Security, the Defense Department, the National...