WASHINGTON, June 2 -- The U.S. Department of Justice issued the following news release: * * * Justice Department Requires Keysight to Divest Assets to Proceed with Spirent Acquisition * The Justice Department's Antitrust Division announced today that it will require Keysight Technologies Inc. (Keysight) to divest Spirent Communications plc.'s (Spirent) high-speed ethernet testing, network security testing, and RF channel emulation businesses to resolve antitrust concerns arising from their p  more