Republican presidential candidate Texas Gov. Rick Perry salutes as he arrives for a Republican presidential debate Monday, Sept. 12, 2011, in Tampa, Fla. (AP Photo/Chris O'Meara)

Associated Press
Republican presidential candidate Texas Gov. Rick Perry salutes as he arrives for a Republican presidential debate Monday, Sept. 12, 2011, in Tampa, Fla. (AP Photo/Chris O'Meara)
Republican presidential candidate Texas Gov. Rick Perry salutes as he arrives for a Republican presidential debate Monday, Sept. 12, 2011, in Tampa, Fla. (AP Photo/Chris O'Meara)
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