Unplug electrical grid from 'Net, ex-terror czar Clarke warns

The Wall Street Journal reported that spies from Russia and China have penetrated the United States power grid. "The intruders haven't sought to damage the power grid or other key infrastructure, but officials warned they could try during a crisis or war," the report said.
Former White House cyber security adviser Richard Clarke told ABC's Diane Sawyer that the U.S. should consider disconnecting the power grid from the internet to decrease the likelihood of attack.
Clarke, now an ABC consultant, called the "offensive cyber war units" being employed by foreign countries such as Russia "very serious." LinkHere