The Pentagon says that a waiver allowing some "low risk" Defense Department contractors to continue using Chinese telecommunications and security equipment could be extended past Sept. 30, as the items covered under the exemption represent nearly three-quarters of all DOD transactions. The longer-term waiver would allow some companies to continue skirting a government-wide ban on contractors using Huawei, ZTE, Hikvision, Dahua and Hytera Communications. The prohibition went into effect Aug. 13. The office of the director of national intelligence earlier...