LOL wanna bet they can't? They're already hard at work trying to do just that. And he doesn't realize how he's helping them with the task.
I'll add something along the lines of this. I don't think they are working hard to destroy him. On the contrary, he is a ratings boom and the fights and rivalry helps both sides.
I think many want to weaken him as a President, but they need a foil as much as Trump needs an enemy to personify for his followers.
If they really wanted to destroy him, they would be dismissive of him and stop giving him all but the most menial and necessary of attention. They would stop reporting on every tweet. They would treat him like he was insignificant.
What would really drive him mad, make him a secondary figure in every story out of the White House. Make it seem like Pence is the brains and make it all about him.
Twitter suspending or closing his account would also probably get at him too.
Right now, they are playing right to him and how he operates. He needs the rivalry and fight.