Now, here’s a thought experiment. What do you suppose his handlers will do if he starts to go seriously and noticeably erratic? To the point it can’t be hidden anymore?
They’ll have to do something. There are a couple of possibilities. One is, he withdraws and reduces his contact with the public. Not easy to do these days.
The second is Reichstag Fire.
What about concealing him from view for awhile while lobbing dark hints of Tea Party drones threatening him and how he must be protected from them? That would activate his faltering base for awhile, further divide the country, perhaps even get racial tension to rise.