Former Alaska Gov. Sarah Palin, the 2008 GOP vice presidential nominee, receives a standing ovation as she arrives at the Reagan Ranch Center in Santa Barbara, Calif., on Friday Feb. 4, 2011. Mrs. Palin was the headline speaker for the Ronald Reagan Centennial celebration opening reception hosted by the Young Americans Foundation. (AP Photo/Spencer Weiner)

Photo by: Spencer Weiner

Former Alaska Gov. Sarah Palin, the 2008 GOP vice presidential nominee, receives a standing ovation as she arrives at the Reagan Ranch Center in Santa Barbara, Calif., on Friday Feb. 4, 2011. Mrs. Palin was the headline speaker for the Ronald Reagan Centennial celebration opening reception hosted by the Young Americans Foundation. (AP Photo/Spencer Weiner)