Republican presidential candidates Texas Gov. Rick Perry, left, and Rep. Ron Paul, 

Republican presidential candidates Texas Gov. Rick Perry, left, and Rep. Ron Paul, R-Texas, talk before the start of the Republican presidential candidate debate at the Reagan Library Wednesday, Sept. 7, 2011, in Simi Valley, Calif.  (AP Photo/Jae C. Hong)
Associated Press
Republican presidential candidates Texas Gov. Rick Perry, left, and Rep. Ron Paul, R-Texas, talk before the start of the Republican presidential candidate debate at the Reagan Library Wednesday, Sept. 7, 2011, in Simi Valley, Calif. (AP Photo/Jae C. Hong)
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