gunboat diplomacy at it's best.
Tweet loudly and have live ammo training.
It would be more accurately described as 'bomber diplomacy' or 'nuclear diplomacy.' 
Call it what you will... to me it is simply a case of President Trump saying "Look what is gonna come your way Pudgy, if you continue pissing me off". I wonder if Kim Jong Little-Un shit his pants? I'm sure his generals did.
