Republican presidential candidate Newt Gingrich speaks to an audience of the Wisconsin Faith & Freedom Coalition during a campaign stop in Pewaukee, Wis., Saturday, March 31, 2012. (AP Photo/Steven Senne)

Associated Press
Republican presidential candidate Newt Gingrich speaks to an audience of the Wisconsin Faith & Freedom Coalition during a campaign stop in Pewaukee, Wis., Saturday, March 31, 2012. (AP Photo/Steven Senne)
Republican presidential candidate Newt Gingrich speaks to an audience of the Wisconsin Faith & Freedom Coalition during a campaign stop in Pewaukee, Wis., Saturday, March 31, 2012. (AP Photo/Steven Senne)
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