China, Russia and North Korea have electromagnetic-pulse, or EMP, weapons with the ability to cause mass casualties and catastrophic damage to the U.S. power grid, but defending against such an attack is not a defense priority, warned an expert who testified to Congress Thursday.  There’s a “clear and present danger to the U.S.” posed by an EMP weapon in the hands of an enemy nation, Peter Vincent Pry of EMPact America told the House Committee on Homeland Security’s Subcommittee on Cybersecurity, Infrastructure Protection, and Security Technologies. Critics say the EMP threat has taken a financial backseat to the Obama administration’s climate-change and first-responder priorities. “Given the amounts of money being spent in New York and Massachusetts on grid-hardening against severe weather, significant EMP protection can probably be accomplished now within their current budgets,” Pry reasoned. More