MASON CITY, IA - DECEMBER 28: Republican presidential candidate former Speaker of the House Newt Gingrich speaks during a campaign stop with his wife Callista Gingrich at Southbridge Mall on December... more 
MASON CITY, IA - DECEMBER 28: Republican presidential candidate former Speaker of the House Newt Gingrich speaks during a campaign stop with his wife Callista Gingrich at Southbridge Mall on December 28, 2011 in Mason City, Iowa. The GOP presidential contenders are crisscrossing Iowa in the final stretch of campaigning in the state before the January 3rd caucus, the first test the candidates must face before becoming the Republican presidential nominee. (Photo by Scott Olson/Getty Images) less 
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Getty Images | Photo By Scott Olson / Getty Images
Wed, Dec 28, 2011 2:38 PM EST