LAS VEGAS, NV - FEBRUARY 03: Republican presidential candidate and former Speaker of the House Newt Gingrich (L) and his wife Callista Gingrich laugh during a campaign rally at Stoney's Rockin' ... more 
LAS VEGAS, NV - FEBRUARY 03: Republican presidential candidate and former Speaker of the House Newt Gingrich (L) and his wife Callista Gingrich laugh during a campaign rally at Stoney's Rockin' Country February 3, 2012 in Las Vegas, Nevada. Newt Gingrich is campaigning ahead of Nevada's February 4 caucus. (Photo by Ethan Miller/Getty Images) less 
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Getty Images | Photo By Ethan Miller / Getty Images
Fri, Feb 3, 2012 4:30 PM EST