At this point, the US has only two realistic options regarding the psychopathic murderer, Kim.

I. Very bad: Decapitate (literally) Kim.  Use a precision cruise missile to kill Kim Jong-un.  Optimally, this might cause a hiatus in the NK government and allow someone rational to succeed Kim.

The more likely scenario would be deadly retaliatory strikes against SK and Japan, resulting in catastrophic losses.

II. Even worse:  Dither more and allow Kim to obtain more potent WMDs which he will be able to deploy to the US by satellite, submarine, ICBM, freighter, or smuggled in shipping container.  This option will probably result in hundreds of millions of Americans being killed.

China has proved to be useless in containing NK as has the UN, diplomacy and bribes.

SK has rejected several THAAD batteries which would have protected them.

The longer the US waits to kill Kim, the more disastrous the consequences will be.

It's time for the military option to be taken off the table.