Blaming Russia for pre-election hacks, how will the U.S. respond?

WikiLeaks has been releasing emails it claims come from Clinton campaign chairman John Podesta, detailing behind-the-scenes strategy. Meanwhile, the White House is blaming Russia for hacking Democratic party websites and attempting to influence the presidential election. What’s going on? Hari Sreenivasan learns more from Lisa Desjardins and chief foreign affairs correspondent Margaret Warner.