Republican presidential candidate, former House Speaker Newt Gingrich speaks during a campaign stop on Thursday, Feb. 23, 2012 in Cocur d'Alene, Idaho. (AP Photo/Evan Vucci)

Associated Press
Republican presidential candidate, former House Speaker Newt Gingrich speaks during a campaign stop on Thursday, Feb. 23, 2012 in Cocur d'Alene, Idaho.  (AP Photo/Evan Vucci)
Republican presidential candidate, former House Speaker Newt Gingrich speaks during a campaign stop on Thursday, Feb. 23, 2012 in Cocur d'Alene, Idaho. (AP Photo/Evan Vucci)
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