How do you solve a problem like Korea?

Tobin Harshaw talks to non-proliferation expert Jeffrey Lewis about North Korea’s nuclear programme and why the regime’s recent ICBM launch shouldn’t have come as a surprise

It made global headlines, North Korea had successfully launched an intercontinental ballistic missile that could conceivably reach the US.

If paired with a miniaturised nuclear warhead, it poses the greatest new threat to domestic security since the end of the Cold War. And, oh yeah, the guy with his hand on the launcher is a stone-cold nut job who reportedly likes killing close relatives with anti-aircraft guns.