Could a cyberattack take out the U.S. power grid today?

Could a cyberattack take out the U.S. power grid today? Utility Dive spoke with Joe Weiss, a Managing Partner at Applied Control Solutions, about the vulnerability of the U.S. electric grid. http://www.utilitydive.com/news/could-a-cyberattack-take-out-the-us-power-grid-today/168744/