http://en.wikipedia.org/wiki/Iowa_Republican_caucuses,_2012
I couldn’t help noticing that the tie between Rick Santorum and Mitt Romney falls cleanly along the low/high population density divide. Nationally, Democrats dominate areas of the country with high population density (cities), and Republicans win rural areas.
You might think of Ron Paul as appealing to people in the suburbs, but that’s less clear.
I wonder how this affects the presidential contest.
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