U.S. withdrawal of nuclear treaty sparks arms race concerns

The Trump Administration on Friday formally withdrew from the Intermediate-Range Nuclear Forces Treaty, a Cold War-era arms pact with Russia that banned land-based missiles with ranges up to 3,410 miles. For years, the U.S. has accused Russia of violating the INF treaty, a claim Russia has denied. Jon Wolfsthal, director of the Nuclear Crisis Group, joins Hari Sreenivasan to discuss