Tensions on the Korean Peninsula continue to rise. Kim Jong-un has ramped North Korea’s missile and nuclear testing programs and US President Donald Trump has exacerbated the tensions with his tough talk.

'We must not fall into the trap of believing that a negotiated settlement with North Korea on denuclearization is impossible,' writes Hitoshi Tanaka.

As Trump takes office, it will be crucial that his team makes a concerted effort to understand the positions of US allies and friends.