Sniper Attack Sparks Worry Over Security of Nation’s Power Grid

PBS NewsHour: An organized sniper attack on an electrical substation near San Jose, Calif., last April raises unsettling questions about the vulnerability of our nation’s power grid. Judy Woodruff talks to Jon Wellinghoff, former chair of the Federal Energy Regulatory Commission, and Mark Weatherford, former deputy undersecretary of the Department of Homeland Security, about future risks and protection.