What Russia stands to gain from a cyberattack on the U.S.

As the U.S government and major companies continue to unravel the extent of a dangerous cyberattack, many of the hallmarks of the operation point to Russia. William Brangham spoke with Fiona Hill, the former National Security Council senior director for Europe and Russia, to discuss what Russia would stand to gain from the attack, and what the U.S. can do differently to protect itself.