The program for the Reagan 100 Opening Dinner celebrating former US president Ronald Reagan on the centennial of his birth is seen at the Reagan Ranch Center in Santa Barbara, California February 4, 2011 . Reagan, who died in 2004 at the age of 93, would have been 100 years old on February 6. Former Alaska governor Sarah Palin will be the event's speaker. (credit: ROBYN BECK/AFP/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Former Alaska governor Sarah Palin speaks at a dinner celebrating former US president Ronald Reagan on the centennial of his birth, at the Reagan Ranch Center in Santa Barbara, California February 4, 2011 . Reagan, who died in 2004 at the age of 93, would have been 100 years old on February 6. (credit: ROBYN BECK/AFP/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Former first lady Nancy Reagan speaks during a birthday celebration held in honor of Ronald Reagan at the Ronald Reagan Presidential Library February 6, 2011 in Simi Valley, California. Ronald Reagan, the 40th President of the United States, would have been 100 years old Sunday. (credit: Eric Thayer/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
A member of the armed forces is seen in front of a seal for a birthday celebration held in honor of Ronald Reagan at the Ronald Reagan Presidential Library February 6, 2011 in Simi Valley, California. Ronald Reagan, the 40th President of the United States, would have been 100 Sunday. (credit: Eric Thayer/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Aircraft from the U.S.S. Ronald Reagan perform a flyover during a birthday celebration held in honor of Ronald Reagan at the Ronald Reagan Presidential Library February 6, 2011 in Simi Valley, California. Ronald Reagan, the 40th President of the United States, would have been 100 Sunday. (credit: Eric Thayer/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Former first lady Nancy Reagan departs a birthday celebration with her son Ron Reagan (R) held in honor of Ronald Reagan at the Ronald Reagan Presidential Library February 6, 2011 in Simi Valley, California. Ronald Reagan, the 40th President of the United States, would have been 100 Sunday. (credit: Eric Thayer/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Former House Speaker Newt Gingrich (C) attends a birthday celebration held in honor of Ronald Reagan at the Ronald Reagan Presidential Library February 6, 2011 in Simi Valley, California. Ronald Reagan, the 40th President of the United States, would have been 100 Sunday. (credit: Eric Thayer/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
People attend the centennial birthday celebration for former US president Ronald Reagan at the Reagan Presidential Library in Simi Valley, California, on February 6, 2011. Reagan, who died in 2004 at the age of 93, would have been 100 years old today. (credit: ROBYN BECK/AFP/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Former first lady Nancy Reagan is escorted by Marine Corps Lieutenant General George J. Flynn (R) during a birthday celebration held in honor of her husband Ronald Reagan at the Ronald Reagan Presidential Library in Simi Valley, California February 6, 2011. Reagan laid a wreath for her husband on the 100th anniversary of his birthday, in an emotional celebration of the former US president's life. Second row behind Mrs Regan from left are Marine Corps Colonel Nicholas Marano, former US secretary of state James Baker, and Frederick J. Ryan, Ronald Reagan Foundation Chairman. (credit: ROBYN BECK/AFP/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Former Speaker of the House Newt Gingrich and his wife Callista Gingrich arrive at the centennial birthday celebration for former US president Ronald Reagan at the Reagan Presidential Library in Simi Valley, California, on February 6, 2011. Reagan, who died in 2004 at the age of 93, would have been 100 years old today.(credit: ROBYN BECK/AFP/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
(L-R) An unidentified guest, Fredrick Ryan, Jr., Chairman of the Reagan Foundation, First Lady Nancy Reagan and U.S. Marine Corps Lieutenant General George Flynn attend a birthday celebration held in honor of former U.S. President Ronald Reagan at the Ronald Reagan Presidential Library February 6, 2011 in Simi Valley, California. Ronald Reagan, the 40th President of the United States, would have been 100 on Sunday. (credit: Eric Thayer/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Former Chief of Staff for U.S. President Ronald Reagan, James Baker, speaks during a birthday celebration held in honor of Reagan at the Ronald Reagan Presidential Library February 6, 2011 in Simi Valley, California. Ronald Reagan, the 40th President of the United States, would have been 100 on Sunday. (credit: Eric Thayer/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
A giant birtday cake is seen during a birthday celebration held in honor of former U.S. President Ronald Reagan at the Ronald Reagan Presidential Library February 6, 2011 in Simi Valley, California. Ronald Reagan, the 40th President of the United States, would have been 100 on Sunday. (credit: Eric Thayer/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Artist Lee Greenwood sings "Proud to be an American" at a birthday celebration held in honor of former U.S. President Ronald Reagan at the Ronald Reagan Presidential Library February 6, 2011 in Simi Valley, California. Ronald Reagan, the 40th President of the United States, would have been 100 on Sunday. (credit: Eric Thayer/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
First Lady Nancy Reagan is escorted by Marine Corps Lieutenant General George J. Flynn as she departs a birthday celebration held in honor of former U.S. President Ronald Reagan at the Ronald Reagan Presidential Library February 6, 2011 in Simi Valley, California. Ronald Reagan, the 40th President of the United States, would have been 100 on Sunday. (credit: Eric Thayer/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Ron Reagan attends a birthday celebration held in honor of his father, former U.S. President Ronald Reagan, at the Ronald Reagan Presidential Library February 6, 2011 in Simi Valley, California. Ronald Reagan, the 40th President of the United States, would have been 100 on Sunday. (credit: Eric Thayer/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Former US First Lady Nancy Reagan speaks during the centennial birthday celebration for former US President Ronald Reagan at the Reagan Presidential Library in Simi Valley, California, on February 6, 2011. Reagan, who died in 2004 at the age of 93, would have been 100 years old February 6. (credit: ROBYN BECK/AFP/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
(credit: ROBYN BECK/AFP/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Former US vice president Dick Cheney (R) and his daughter Mary Cheney attend the centennial birthday celebration for former US president Ronald Reagan at the Reagan Presidential Library in Simi Valley, California February 6, 2011. Reagan, who died in 2004 at the age of 93, would have been 100 years old today. (credit: ROBYN BECK/AFP/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
(credit: ROBYN BECK/AFP/Getty Images)
Centennial Birthday Celebration Held In Honor Of Ronald Reagan
Former first lady Nancy Reagan is accompanied by Marine Corps Lieutenant General George J. Flynn before laying a wreath at the memorial site which serves as her husband's final resting place during the centennial birthday celebration for former US president Ronald Reagan at the Reagan Presidential Library in Simi Valley, California February 6, 2011. Reagan, who died in 2004 at the age of 93, would have been 100 years old today. (credit: ROBYN BECK/AFP/Getty Images)