The “Libyan model” was working just fine, until the “Arab spring” apostasy, encouraged by the Obama regime, caused the downfall and removal with extreme prejudice of the Libyan dictator.
Not in the action itself, but in subsequent severely punitive follow-up diplomatic moves, did the end to Gaddifi actually come.
Kim Jong Un stands a good chance to both giving up his nuclear ambitions, and retaining power after the fact, so long as no internal coup is mounted against him. Of course, should a coup happen, it may have come whether he gave up nuclear threats or not. But not at the encouragement of the Trump Administration.
Never will forget Secretary of State Hillary Clinton’s laugh at Gaddifi’s demise at the hands of Obama approved National Transitional Council.