How Sanctions Affect North Korean BehaviorPlay
The U.S. and South Korea are considering further punitive action against North Korea after the country's first successful missile launch from a submarine. But new research suggests that existing sanctions haven't really done anything to slow North Korea's pursuit of nuclear weapons.
Here & Now's Jeremy Hobson speaks with security analyst Jim Walsh about the study.
Jim Walsh, Here & Now security analyst, research associate at the Massachusetts Institute of Technology's Security Studies Program. He tweets @DrJimWalshMIT.
This segment aired on August 29, 2016.