Many years ago I was a guest on a radio show Joy Behar hosted (this was long before The View). She was delightful. So her calcification is depressing. Some of it is politics, but most of it is the grind of shtick — putting on the same media face day after day.
Keith Richard writes about the process in his memoir. WFB developed routines, but not vices — all the more remarkable given his celebrity longevity.