Kim Jong Un will continue to test America and Donald Trump for as long as the latter remains in office or until the bluff is called.
What is perhaps required is a demonstration of the HAARP device, ideally focussed on causing a massive earthquake in the North Korean capital followed by floods of great power? Making the sea boil at a decent sized port, as happened with a demonstration to the Iranians a few years ago, might concentrate minds without triggering an attack on Seoul just 40 miles to the South of the North /South Korean border.
Dr Alf who has travelled extensively throughout the world and in the Far East, in particular, knows first hand the importance of “face” and how the perceived loss of it in the minds of the North Koreans and the mercurial Donald Trump could spiral out of control and lead to catastrophic events. North Korea does not want to feel bullied and in its position I would not give up my nuclear weapons based on the real life examples posed by the purported fate of Saddam Hussein, the brutal murder of Ghadaffi and what is happening in Iraq and Syria now.
The West should contain Kim Jong Un, shoot down all his missiles and give him a demonstration of brute power in the form of controlling the weather with HAARP.
Then we should work out where he is and where he seeks solace with his various mistresses.
America has fully cloaked craft and has had invisibility suits since 1974. We should then use this capability to terminate him with extreme prejudice, using special forces people equipped for the job with “Ironman suits” and silent weapons. His replacement (our henchman or woman) should be waiting in the wings ready to take over. American troops would not be in a unified Korea sitting on the Chinese border but would stay where they are, something China would prefer to a unified Korea.
Dr Alf's Blog 
John, many thanks for sharing your views.
Is there any public evidence to support that the US has weaponized HAARP technology?
Also surely unilateral military action from the US, without the protective cover of the UN, could be regarded as an act of war by North Korea and her ally China, and possibly Russia as well?
I don’t think the American people are ready for war. Do you?