Pipelines, Power Grid Vulnerable To Cyber Attack By China, Russia | Rachel Maddow | MSNBC

Rebecca Smith, national energy reporter for The Wall Street Journal, talks with Rachel Maddow about the U.S. intelligence community's assessment that key energy infrastructure like pipelines and the power grid are vulnerable to cyber attacks by Russia and China. » Subscribe to MSNBC: MSNBC delivers breaking news and in-depth analysis of the headlines, as well as informed perspectives. Find video clips and segments from The Rachel Maddow Show, Morning Joe, Hardball, All