She told the Star Tribune that she was reading Gore Vidal's 1973 novel Burr and that Vidal "was kind of mocking the Founding Fathers and I just thought—I just remember reading the book, putting it in my lap, looking out the window and thinking, 'You know what? I don't think I am a Democrat. I must be a Republican. While still a registered Democrat, she and her then-fiancé, Marcus, were motivated to join the anti-abortion movement after watching Francis Schaeffer's 1976 Christian documentary film How Should We Then Live? They prayed outside clinics and engaged in sidewalk interference, an activity in which anti-abortion activists attempt to persuade women entering clinics not to get abortions. She has since made statements supportive of sidewalk interference. Bachmann supported Jimmy Carter for president in 1976, and together with her husband, Bachmann worked on Carter's campaign.