JACKSONVILLE, FL - JANUARY 30: Republican presidential candidate, former Speaker of the House Newt Gingrich (R) and his wife Callista Gingrich listen Michael Reagan, son of former President Ronald ... more 
JACKSONVILLE, FL - JANUARY 30: Republican presidential candidate, former Speaker of the House Newt Gingrich (R) and his wife Callista Gingrich listen Michael Reagan, son of former President Ronald Reagan, during a campaign rally at the Hyatt Regency Jacksonville Riverfront hotel January 30, 2012 in Jacksonville, Florida. Gingrich and fellow candidate, former Massachusetts Gov. Mitt Romney are criss-crossing Florida on the last full day of campaigning before the January 31 primary. (Photo by Chip Somodevilla/Getty Images) less 
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Getty Images | Photo By Chip Somodevilla / Getty Images
Mon, Jan 30, 2012 10:18 AM EST