nearly 200 others in Feminists for Free Expression in opposing the Pornography Victims' Compensation Act. "To suppress free speech in the name of protecting women is dangerous and wrong," said Friedan. "Even some blue-jean ads are insulting and denigrating. I'm not adverse to a boycott, but I don't think they should be suppressed." War In 1968, Friedan signed the "Writers and Editors War Tax Protest" pledge, vowing to refuse tax payments in protest against the Vietnam War. Influence Friedan is credited for starting the contemporary feminist movement and writing a book that is one of the cornerstones of American feminism. Her activist work and her book The Feminine Mystique have been a critical influence to authors, educators, writers, anthropologists, journalists, activists, organizations, unions, and everyday women taking part in the feminist movement. Allan Wolf, in The Mystique of Betty Friedan writes: "She helped to change not only the thinking but the lives of many American women, but recent books throw into question the intellectual and personal sources of her work." Although there have been some debates on Friedan's work in The Feminine Mystique since its publication, there is no doubt that her work for equality for women was sincere and committed. Judith Hennessee (Betty Friedan: Her Life) and Daniel Horowitz, a professor of American Studies at Smith College, have also written about Friedan. Horowitz explored Friedan's engagement with the women's movement before she began to work on The Feminine Mystique and pointed out that Friedan's feminism did not start in the 1950s but even earlier, in the 1940s. Focusing his study on Friedan's ideas in feminism rather than on her personal life Horowitz's book gave Friedan a major role in the history of American feminism. Justine Blau was also greatly influenced by Friedan. In Betty Friedan: Feminist Blau wrote of the feminist movement's influence on Friedan's personal and professional life. Lisa Fredenksen Bohannon, in Woman's work: The story of Betty Friedan, went deep into Friedan's personal life and wrote about her relationship with her mother. Sandra Henry and Emily Taitz (Betty Friedan, Fighter for Woman's Rights) and Susan Taylor Boyd (Betty Friedan: Voice of Woman's Right, Advocates of Human Rights), wrote biographies on Friedan's life and works. Journalist Janann Sheman wrote a book called Interviews with Betty Friedan containing interviews with Friedan for The New York Times, Working Women and Playboy, among others. Focusing on interviews that relate to Friedan's