POD 1940, when he thought about running for state office. His GF at the time was an ardent New Dealer in the Helen Douglas mold. Olga something-or-other.
I don't know, but I think I remember a TL where Nixon and RFK were working together in the same party. I don't remember which of them had switched parties though.
That was me in Eastern Entrance. RFK went Republican. Given his OTL (Tail-Gunner Joe) background, his New Demism along with his brother, somewhat easier than Nixon, who allegedly was a Republican from age 7.