

Then-Republican vice presidential candidate Gov. Sarah Palin waves to supporters as she arrives at Sen. John McCain's election night rally at the Arizona Biltmore Resort and Spa in Phoenix, Ariz., on Nov. 4, 2008. Jim Watson/AFP/Newscom/FILE
On Feb. 8, 2009, Gov. Sarah Palin starts the Tesoro Iron Dog race at Big Lake, Alaska, as competitors begin almost a 2,000 mile race across the state. Bill Roth/Anchorage Daily News/MCT/Newscom/FILE
Alaska Gov. Sarah Palin campaigns on Nov. 3, 2008 at the Missouri Statehouse in Jefferson City, Mo., ahead of 2008 presidential election. Charlie Riedel/AP
Former Alaskan governor Sarah Palin appears with daughters Willow (r.) and Piper (l.) on 'The Oprah Winfrey Show' in Chicago on Nov. 11, 2009. George Burns/Reuters/FILE
Former Alaska governor Sarah Palin shows a message written to her mother on her hand at a campaign rally for Texas Gov. Rick Perry in Cypress, Texas on Feb. 7. Pat Sullivan/AP
Alaska Gov. Sarah Palin, joined by Franklin Graham and the Samaritan's Purse organization (not shown), is seen at Wasilla airport on a trip to Alaska's Russian Mission and Marshall on Feb. 20, 2009. The group will distribute boxes of food to families in the area. Marc Lester/Anchorage Daily News/Newscom/FILE
Sarah Palin appears on the cover of the Nov. 23, 2009 issue of Newsweek. The photo was originally shot for an article in Runner's World. PRNewsFoto/NEWSWEEK/FILE
On Sept. 10, 2008, then-Republican vice presidential candidate Sarah Palin greets her daughter, Piper, after arriving for a welcome home rally in Fairbanks, Alaska. Eric Risberg/AP/FILE
This photo shows Sarah and Todd Palin shortly after the couple was married. Newscom/FILE
Sarah Palin, born Heath, is awarded the honor of 'Miss Wasilla' at a beauty pageant in 1984. Newscom/FILE
Sarah Palin is seen in a photo taken in a photo booth with friends (not shown) at Idaho University. Newscom/FILE
Wallmonkeys.com features a life-sized Sarah Palin wall graphic, complete with hockey stick, shotgun, tiara, and lipstick. Wallmonkeys.com/PRNewsFoto/FILE
Sarah Palin promotes her memoir, 'Going Rogue,' at Elmendorf Air Force Base's Joint MIlitary Mall while on a signing tour in December 2009. Rob Stapleton/AP/FILE
Alaska Gov. Sarah Palin announces that she is stepping down from her position as governor in Wasilla, Alaska, on July 3. Robert DeBerry/The Mat-Su valley Frontiersman/AP
Sarah Palin arrives in Fairfax, Va., to sign copies of her book, 'Going Rogue,' on Dec. 5. Paul J. Richards/Newscom/FILE
At the end of a campaign rally in Tampa, Fla., on Oct. 26, 2008, vice presidential candidate Sarah Palin dances with her daughter Piper. John Pendygraft/St. Petersburg Times/AP/FILE
In a coffee shop in Wasilla, Alaska, on Nov. 4, 2008, vice presidential candidate Sarah Palin reads the headlines in the Anchorage Daily News shortly before casting her vote on Election Day. Nathaniel Wilder/Reuters
Sarah Palin serves hot dogs during the Governor's Picnic at Pioneer Park in Fairbanks, Alaska, on July 26, 2009. Newscom/FILE
On Election Day 2008, vice presidential candidate Sarah Palin grabs some coffee in Wasilla, Alaska. Bill Roth/Anchorage Daily News/MCT/Newscom/FILE
Alaska Gov. Sarah Palin pardons a Thanksgiving turkey at Triple D Farm and Hatchery in Wasilla, Alaska, on Nov. 20, 2008. Robert DeBerry/The Mat-Su Valley Frontiersman/AP/FILE
Alaska Gov. Sarah Palin pauses for a photo during the Governor's Picnic in Anchorage, Alaska, on July 25, 2009 a day before she resigned as the state's governor. Al Grillo/AP
Sarah, Todd, and Piper Palin are seen on a boat in Wasilla, Alaska, on July 3, 2009. Newscom/FILE
Alaska Gov. Sarah Palin mixes baby formula as her daughters Willow (14) and Piper (7) decorate a cake in the kitchen of their Wasilla, Alaska home on Nov. 9, 2008. Bill Roth/Anchorage Daily News/AP
On Nov. 3, 2008, Republican vice presidential candidate Gov. Sarah Palin finishes a speech at a campaign stop at the airport in Colorado Springs, Colo. David Zalubowski/AP/FILE
On July 3, 2009, Gov. Sarah Palin is seen in Wasilla, Alaska. Newscom/FILE