That seems to leave the only option of more talk and sanctions ?
Has Kim ever said he will actually fire the missiles at the US even if unprovoked ?
If only.Trump should make some economic/strategic concessions with the Chinese and Russians in return for the Chinese commitment to send in a team to kill the guy, and the Russians to be OK with it. The Chinese are the closest to him, have contacts in his network and are in the best position to carry it out.
End of story.