Vulnerability: Expert testimony before Congress on Thursday warned that an electromagnetic pulse attack on our power grid and electronic infrastructure could leave most Americans dead and the U.S. in another century. That dire warning came from Peter Vincent Pry, a member of the Congressional EMP Commission and executive director of the Task Force on National and Homeland Security. He testified in front of the House Homeland Security Committee's Subcommittee on Cybersecurity, Infrastructure Protection and Security Technologies that an electromagnetic pulse (EMP) event could wipe out 90% of America's population. Most people's eyes might glaze over upon mention of the committee...