The race for the White House is heating up, and with the Iowa caucus just three weeks away, a University of Wisconsin professor said a pattern in polling numbers may point to a surprise in the race ... more 
The race for the White House is heating up, and with the Iowa caucus just three weeks away, a University of Wisconsin professor said a pattern in polling numbers may point to a surprise in the race for the Republican nomination. less 
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WISN - Milwaukee Videos
Wed, May 2, 2012 5:29 PM EDT