My search of snopes give status as "TRUE" for that.
She is trying to sell books,any softening is just to increase her appeal. She hasn't changed a bit.
http://exposingtheleft.blogspot.com/2005/04/hanoi-jane-mellows-but-song-still-same.html
Jane Fonda tells the student audience at the Michigan State University in 1969; "I would think that if you understood what communism was, you would hope, you would pray on your knees, that we would someday become communist."