For more than 15 years, security and intelligence officials — including former CIA Director James Woolsey — have been raising the alarm bells about the vulnerability of the U.S. power grid to an electromagnetic pulse (EMP) attack. Only now as tensions with North Korea quickly escalate — with the rogue nation refusing to back down from its nuclear testing and threats of such an onslaught — is the matter really generating attention. But according to U.S. defense and security officials, while there are

players purporting to protect the nation’s critical infrastructure given millions of American lives on the line, the reality is that no one really knows what will happen and what can be done. “We recognize that an EMP event would have extremely dire consequences for the entire country, but where the challenge comes is in attempting to quantify those impacts,” one high-ranking Department of Homeland Security official, who requested anonymity, told Fox News. “This is not something we have had a lot of real world experience with.”  READ MORE