And it can be done to an insane judge who is nonetheless performing good behavior. And, to my mind, it ought to be done to judges who take the job of the legislature upon themselves. That's bad behavior in my book.
And who decides when they've gone too far? That's right. The House of Representatives.
It isn't my opinion but that of the Founders.
Impeachment was intended to be a drastic solution of last resort not a plaything in the hands of a mob.