They did it to their very own Senator.
It's what they do.
Rockefeller v. Goldwater, 1964
In the words of Nelson Rockefeller's public relations head, Stuart Spencer,
"We had to destroy Barry Goldwater as a member of the human race."
With the leadership of both Parties and the MSM employees backing Democrat LBJ no wonder he won.
BTW.. who was the degenerate, lying, criminal, scum who had the most to lose if JFK/RFK remained alive and well?
The investigations had already started and the Republican leadership knew it and still backed him.. don't doubt that they would back Hillary.