The threat from North Korea has entered a new dimension with its apparent possession of the devastating H-bomb. President Trump has threatened with definitive, decisive action, leaving all options open. But he’s known to go back on his words if he has to. At the same time, N.K. must know that they cannot face the US in a military confrontation. But it may inflict heavy losses to the US. Neither of the two sides seems prepared to give in or enter negotiations, while sanctions are unlikely to work So how do you think this unstable and critically dangerous situation will develop?