What the Litvinenko accusation means for the Kremlin

Aired: 1/21/2016 | 0:06:51 | Clip
A British investigation is pointing the finger at the Russian state and President Vladimir Putin for the 2006 assassination of a former spy and defector. Hari Sreenivasan talks to Steven Lee Myers of The New York Times and Michael McFaul, former U.S. ambassador to Russia.