DES MOINES, IA - JANUARY 03: Republican presidential candidate, Texas Gov. Rick Perry greets Principal Financial Group employees after speaking on the day of the Iowa Caucus January 3, 2012 in Des ... more 
DES MOINES, IA - JANUARY 03: Republican presidential candidate, Texas Gov. Rick Perry greets Principal Financial Group employees after speaking on the day of the Iowa Caucus January 3, 2012 in Des Moines, Iowa. The GOP presidential contenders are crisscrossing Iowa in the final stretch of campaigning in the state before tonight's caucus, the first test the candidates must face before becoming the Republican presidential nominee. (Photo by Andrew Burton/Getty Images) less 
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Getty Images | Photo By Andrew Burton / Getty Images
Tue, Jan 3, 2012 4:02 PM EST