This is why the movie “Bigger Than Life” is so important. James Mason really chewed the scenery as a man driven mad by cortisone. It came out only 6 years before Kennedy was killed, so the false idea that cortisone would make you insane was still in the public consciousness. The AMA had not decided otherwise, yet, so doctors would also believe that.
Normally tertiary syphilis with its associated insanity doesn’t appear until old age. But there was the young James Mason going violently bonkers in that movie, in what an Imdb reviewer calls a “terrifying” movie.
I suppose a similar situation would be if several of our top US Senators discovered that George W. Bush was both sniffing glue and smoking large amounts of methamphetamine. They would not wait nor hesitate, but would contact Dick Cheney immediately with the prospect of removing him from office.
Remember also that the US was in a nuclear standoff with Russia right then, and things were a LOT more tense, and that the public would be easy to stampede if someone had suggested that JFK be impeached because he was taking a dangerous drug that would make him insane.
I still think *someone* would have asked him to resign. But I can find no hint that anyone did so.
It really would have been LBJ’s call, since he would be in charge afterwards, and nobody would want him to question what had been decided. He would have to guarantee that the investigation was directed away from the truth.
Importantly, LBJ kept the entire JFK cabinet after the assassination, even though he had great animosity to several of them. Highly unusual, but would make sense if he had to do that as a bargaining chip—keep continuity with the Kennedy machine still in power. It is noteworthy that the JFK cabinet were very disloyal to LBJ, who they hated.
“...the reason why the Kennedy family prevented any further investigation concerning his brain and why it was destroyed by Robert.”
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Two things always have bothered me....who took the brain to hide what?