Last December, the Ukraine power grid was attacked, and Russia is the suspect. A quarter of a million people lost power in the Ivano-Frankivsk region of Ukraine. Vasyl Pemchuk is the electric control center manager. Remembering the nightmare when hackers took over their computers, he said all his workers could do was film it with their cell phones. “It was illogical and chaotic,” he said. “It seemed like something in a Hollywood movie.” This is, also, my fear, and as Hurricane Florence makes its way into the Carolinas my mind is fixated on weeks without power. But the truth is...