Russian officials on Friday clapped back at a recently announced NATO deterrence plan that to looks to unite the alliance’s ground response capabilities, and has Moscow particularly worried about the vulnerabilities posed by its highly militarized exclave – Kaliningrad. Warnings rang out from the halls of the Kremlin as one official warned that a deterrence strategy announced this week by U.S. Army Europe and Africa commander Gen. Christopher Donahue amounted to "a plan to unleash World War III with a subsequent global standoff [and] no winners." "An attack on the Kaliningrad region will mean an attack on Russia, with all...