FWIW From IMBD Biography
"He was one of the most active, and most vocal, liberal Democrats in Hollywood along with Robert Ryan and Gregory Peck. He once said that President Ronald Reagan made him "physically ill", and that he "couldn't stomach any of the Republicans, most of all Richard Nixon.".
http://www.imdb.com/name/nm0000020/bio
Don't know if any of the above can be believed. Many quotes can, and have been attributed to those who are deceased and proving their accuracy, or inaccuracy, is not always easy.
Perhaps I should qualify my remarks to agree that Fonda stayed liberal all his life, but rejected the hard left views of his young adulthood by the time his daughter became an activist.
I do recall distinctly, though, that Jane Fonda, at a time when she was going on talk shows saying things like, “If the American people only understood what communism was, they’d accept it joyfully,” quoted her father as saying something like, “I’ve thought about what the communists claim, and I just don’t buy it.”