** FILE ** Texas Gov. Rick Perry looks at the crowd as he is introduced during a stop on his GOP presidential campaign in Fort Dodge, Iowa, on Saturday, Dec. 31, 2011. (AP Photo/Charlie Riedel)
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** FILE ** Texas Gov. Rick Perry looks at the crowd as he is introduced during a stop on his GOP presidential campaign in Fort Dodge, Iowa, on Saturday, Dec. 31, 2011. (AP Photo/Charlie Riedel)
