As with plenty of other things he is doing, this is illegal. The President of the United States is engaging in flagrantly illegal behavior on a daily basis as 30% of the country cheers him on.
These are men (and woman) who have climbed the highest, most prestigious rung in the profession. Even if for purely egotistical reasons, it's hard to imagine they will have endless patience to watch the institution over which they preside become irrelevant.