Former Alaska Gov. Sarah Palin speaks during a rally for Idaho GOP congressional candidate Vaughn Ward, not pictured, at Qwest Arena Friday, May 21, 2010, in Boise, Idaho.
Former Alaska Governor Sarah Palin, left, speaks as Arizona Gov. Jan Brewer looks on at a news conference about border security at the JW Marriott Desert Ridge in Phoenix on Saturday, May 15, 2010. Brewer and Palin blamed President Barack Obama for the state law cracking down on illegal immigration, saying the measure is Arizona's attempt to enforce immigration laws because the federal government won't do it.
Sarah Palin, with husband Todd and daughter Piper, attends the TIME 100 gala celebrating the 100 most influential people at the Time Warner Center in New York on Tuesday, May 4, 2010.
Former Republican vice presidential candidate Sarah Palin addresses the 2nd biannual Michigan Defending the American Dream Summit in Clarkston, Mich., on May 1, 2010.
Sarah Palin flashes a thumbs up towards her husband, Todd, as she begins to address a crowd during a stop of the Tea Party Express on Boston Common in Boston, Wednesday, April 14, 2010.
Former vice presidential candidate Sarah Palin addresses attendees at the National Tea Party Convention in Nashville, Tenn., Saturday, Feb. 6, 2010.
Sarah Palin waves while holding her son Trig at a book signing for her new book "Going Rouge" at the Mall of America in Bloomington, Minn. Dec. 7, 2009.
Sarah Palin signs her book "Going Rogue" at a book signing at the Sam's Club warehouse store in Washington, Pa., Saturday, Nov. 21, 2009.
Sarah Palin signs her autograph at Barnes and Nobles during the first stop of her book tour in Grand Rapids, Mich. on Wednesday, Nov. 18, 2009.
In this image released by NBC, former Republican vice presidential nominee Sarah Palin is shown during an interview with host Jay Leno on "The Tonight Show with Jay Leno," Tuesday, March 2, 2010, in Burbank, Calif.
In this photo released by ABC, former Alaska Governor and Republican Vice-Presidential candidate Sarah Palin, left, is photographed with ABC's Barbara Walters, at a New York City hotel, Friday, Nov. 13, 2009.
In this photo taken Wednesday, Nov. 11, 2009 Sarah Palin is photographed with talk-show host Oprah Winfrey, second from right, and her daughters, Willow, right, and Piper, left, during the taping of "The Oprah Winfrey Show" in Chicago.
Alaska Gov. Sarah Palin gives a thumbs up during her resignation speech during a ceremony in Fairbanks, Alaska, Sunday, July 26, 2009, where Gov. Sarah Palin stepped down and turned over power to Lt. Gov. Sean Parnell.
Republican vice presidential candidate Alaska Gov. Sarah Palin campaigns Sunday, Nov. 2, 2008, during a rally in Ohio at the Canton Memorial Field House. (AP Photo/Bob Rossiter, Pool)
Republican vice presidential candidate, Alaska Gov. Sarah Palin waves as she arrives for a campaign rally in Johnstown, Pa., Saturday, Oct. 11, 2008.
Former Alaska Gov. Sarah Palin addresses a campaign rally at the Hershey Giant Center Tuesday, Oct. 28, 2008, in Hershey, Pa.
Republican vice presidential candidate, Alaska Gov. Sarah Palin, speaks during the Republican National Convention in St. Paul, Minn., Wednesday, Sept. 3, 2008.
Presumptive Republican presidential nominee Sen. John McCain, left, smiles after introducing his vice presidential running mate, Alaska Gov. Sarah Palin, in Dayton, Ohio, Friday, Aug. 29, 2008.
Alaska Gov. Sarah Palin delivers a speech after Republican presidential candidate, Sen. John McCain, R-Ariz., introduced her as his vice presidential running mate Friday, Aug. 29, 2008, at the Ervin J. Nutter Center in Dayton, Ohio.
Alaska Gov. Sarah Palin and her husband Todd wave as Sarah Palin was introduced as the vice presidential running mate for presidential candidate, Friday, Aug. 29, 2008.
Republican vice presidential candidate, Alaska Gov., Sarah Palin, right, and her husband Todd shake hands with supporters after a campaign unity rally in O'Fallon, Mo., Aug. 31, 2008.
Republican vice presidential candidate, Alaska Gov. Sarah Palin enjoys a dance with her daughter Piper Palin at the end of a campaign rally on Sunday, Oct. 26, 2008 in Tampa, Fla.
First term Alaska Gov. Sarah Palin is seen during a press conference in Anchorage, Aug. 13, 2008. Palin was named as John McCain's vice presidential choice. She was the youngest and first female governor of Alaska.
Todd Palin, right, holds the Bible for his wife, Sarah Palin, as she is sworn in as Alaska's governor during an inauguration ceremony Dec. 4, 2006, in Fairbanks, Alaska. Palin, the so-called "hockey mom," is credited with reforms of her tiny, out-of-the-way state.
Alaska Gov. Sarah Palin talks in her office in Anchorage, Alaska in a Thursday, Aug. 14, 2008. Palin, born Sarah Louise Heath in Sandpoint, Idaho, is the daughter of Charles and Sally (Sheeran) Heath. The family moved to Alaska when Palin was an infant. Palin holds a bachelor's degree in journalism from the University of Idaho where she also minored in politics.
Gov. Sarah Palin speaks to reporters regarding the indictment of U.S. Sen Ted Stevens in her Capitol office July 29, 2008, in Juneau, Alaska. Palin was the point guard and captain for her high school team, in Wasilla, Alaska, when they won the Alaska small-school basketball championship in 1982. She earned the nickname "Sarah Barracuda" because of her intense play.
Palin and her high school sweetheart, Todd Palin, eloped shortly after Palin graduated college. They have five children, the oldest, Track, joined the Army in 2007. Palin's youngest son, Trig Paxson Van Palin, has Down syndrome. Palin refused to let the results of prenatal genetic testing change her decision to have the baby. "I'm looking at him right now, and I see perfection," Palin said.
Alaska Gov. Sarah Palin, left, with her husband Todd, waves after being introduced during an inauguration ceremony Dec. 4, 2006, in Fairbanks, Alaska.
Alaska Gov. Sarah Palin, right, greets U.S. Senator Lisa Murkowski, R-Alaska, with a hug at the governor's mansion, in Juneau, Alaska, Tuesday, March 18, 2008.
Alaska Gov. Sarah Palin poses in her office in the Capitol, Dec. 13, 2007, in Juneau, Alaska.
Alaska Gov. Sarah Palin listens to questions during an interview in her office Dec. 13, 2007, in Juneau, Alaska.
Governor-elect Sarah Palin holds her daughter, Piper, as she watches the gubernatorial polling results Tuesday, Nov. 7, 2006, in Anchorage, Alaska.
Alaska Gov. Sarah Palin dines with soldiers from the Alaska National Guard during her two-day visit to Camp Virginia, Kuwait, July 24, 2007.
Gov. Sarah Palin dines with soldiers from the Alaska National Guard during her two-day visit to Camp Virginia, Kuwait, July 24, 2007.
Former Alaska Gov. Sarah Palin, left, talks with her husband Todd Palin, as they listen to state Revenue Commissioner Pat Galvin speak Wednesday, May 28, 2008, in Anchorage, Alaska.
Alaska Gov. Sarah Palin, center rear, and her daughters, from left, Bristol, Piper and Willow, inspect a bedroom of the Governor's Mansion as Palin arrives in Juneau, Alaska, Dec. 8, 2006, for the first time since her inauguration.
Then-Republican gubernatorial candidate Sarah Palin and her daughter Piper, 5, waive while campaigning Nov. 6, 2006, in Anchorage, Alaska.