Saturday Night Live parodies of Sarah Palin to joke that "[she] was just trying to give Tina Fey more material." She also joked that it was to provide "job security for "SNL" characters." Palin later remarked that she should appear on "SNL" to spoof a series of American Express commercials which featured Tina Fey. Due to the popularity of the sketch and Fey's impression of Palin, Fey reprised her role during the September 27, 2008 episode. That sketch featured Palin being interviewed by Katie Couric (Amy Poehler), and parodied an interview which took place between Palin and Couric which aired days before the sketch's broadcast. In the
Bristol Palin received mixed reviews from critics and readers. It reached #21 on "The New York Times" Best Seller list for hardcover nonfiction. When John McCain chose Sarah Palin to be his vice presidential running mate in late August 2008, his advisers had already been informed of her daughter Bristol's pregnancy, which they believed would be a political liability because the teen was unmarried. On September 1, the opening day of the 2008 Republican National Convention, it was publicly announced that Palin was pregnant and engaged to Levi Johnston, the father of her child. Palin's entire family, along with Johnston, appeared at