Retrieved on January 6, 2013 at 1:20:16 PM CT
Full Results: Obama expands Iowa lead to 7 points
Url: http://www.publicpolicypolling.com/pdf/2011/PPP_Release_IA_926.pdf
Retrieved on January 6, 2013 at 1:20:16 PM CT
Url: http://www.publicpolicypolling.com/pdf/2011/PPP_Release_IA_926.pdf