The many faces of Sarah Palin (15 images)

Republican Vice Presidential candidate Gov. Sarah Palin of Alaska lifts a baby after her campaign speech in Loveland, Colorado on October 20, 2008. (UPI Photo/Gary C. Caskey)

Republican vice presidential nominee, Alaska Gov. Sarah Palin participates in the vice-presidential debate with Democratic vice presidential nominee Sen. Joe Biden (D-DE) at Washington University in St. Louis, Missouri, on October 2, 2008. (UPI Photo/Brian Kersey)

Former Alaska Gov. Sarah Palin talks with a customer while signing copies of her new book "Going Rogue: An American Life" at the Woodland Mall Barnes & Noble in Grand Rapids, Michigan on November 18, 2009. Palin is continuing the book signing tour in the coming weeks with stops at select Barnes & Noble stores in Virginia, Iowa, Minnesota, South Dakota and Florida. UPI/Brian Kersey

Republican Vice Presidential Nominee Sarah Palin speaks on the third day of the Republican National Convention in St. Paul, Minnesota, on September 3, 2008. (UPI Photo/Roger L. Wollenberg)