After graduating from Harvard last year, Kristin headed for the West Coast, where she recently landed a job as a writer with the animated comedy “Futurama.” (An animated Gore character appears in the season finale.) Unlike Karenna, who is talked about as a possible future candidate, Kristin professes to dislike politics. But she and her younger sister, Sarah, a Harvard junior, took turns traveling with their dad during the primaries. “It was about having a fun person with him on the plane,” says a Gore family spokeswoman.