How to get to Donald J. Trump. Just criticize him. Ridicule him. Very simple. He cannot restrain himself from automatically overreacting to any slight no matter how slight. He thinks he has Carte Blanche to attack whomever he chooses for whatever he chooses however many times he chooses and no one will abandon him. He believes he is Teflon Don. Maybe with his adoring worshippers he is but I don't think he is Teflon Don with world leaders. They are all just taking notes, lying in wait to pounce on him should he become prez. He will be so busy attacking back he won't have any time to build a wall, do anything at all about jobs or immigration or or making African American lives livable. Nope. Does he have the stamina/energy to do that? OR the world leaders will shower him with praise and he will praise them in return. They have the upper hand. They can play him in any direction and he will respond.