Former first lady Nancy Reagan (C) shares a light moment with presidential candidates Rick Santorum, Newt Gingrich, Michelle Bachmann, Mitt Romney, (Nancy Reagan), Rick Perry, Ron Paul, Herman Cain and Jon Huntsman Jr. (L-R), before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Chris Carlson/pool | License Photo
Presidential candidates Rick Santorum, Newt Gingrich, Michelle Bachmann, Mitt Romney, Rick Perry, Ron Paul, Herman Cain and Jon Huntsman Jr. (L-R) arrive on stage before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Jim Ruymen | License Photo
Presidential candidates Mitt Romney (L) and Rick Perry arrive on stage before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Jim Ruymen | License Photo
Former first lady Nancy Reagan (C) greets presidential candidates Michelle Bachman, Mitt Romney Rick Perry and Ron Paul before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Chris Carlson/pool | License Photo
Presidential candidates Michelle Bachman, Mitt Romney, Rick Perry and Ron Paul (L-R) arrive on stage before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Jim Ruymen | License Photo
Former first lady Nancy Reagan (C) greets presidential candidates Rick Perry (L) and Ron Paul before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Chris Carlson | License Photo
Presidential candidates Mitt Romney, Rick Perry and Ron Paul (L-R) arrive on stage before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Jim Ruymen | License Photo
Former first lady Nancy Reagan waits to greet presidential candidates before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Chris Carlson/pool | License Photo
Presidential candidates Herman Cain, Rick Perry, Jon Huntsman Jr., Newt Gingrich, Michelle Bachmann and Rick Santorum (L-R), mingle before the start of the Republican presidential primary debate, at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Chris Carlson/pool | License Photo
Presidential candidates Rick Perry, Ron Paul, Herman Cain and Jon Huntsman Jr. (L-R) arrive on stage before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Jim Ruymen | License Photo
Presidential candidates Herman Cain, Jon Huntsman Jr., Michelle Bachmann, Rick Santorum, Mitt Romney and Ron Paul (L-R), mingle before the start of the Republican presidential primary debate, at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Chris Carlson/pool | License Photo
Presidential candidates Michelle Bachman, Mitt Romney, Rick Perry and Ron Paul (L-R) arrive on stage before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Jim Ruymen | License Photo
Presidential candidates Mitt Romney (L) and Rick Perry arrive on stage before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Jim Ruymen | License Photo
Presidential candidates Michelle Bachman, Mitt Romney and Rick Perry (L-R) arrive on stage before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Jim Ruymen | License Photo
Former first lady Nancy Reagan greets presidential candidates Jon Huntsman Jr. before the start of the Republican presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 7, 2011. UPI/Chris Carlson | License Photo