Democrats attack Romney — not Bachmann — with campaign ads in Des Moines ripping his 'Corporations are people' misstep at State Fair

Iowa GOP straw poll results:
Michele Bachmann: 4,823
U.S. Rep. Ron Paul: 4,671
Tim Pawlenty: 2,293
Rick Santorum: 1,657
Herman Cain: 1,456
Rick Perry: 718
Mitt Romney: 567
Newt Gingrich: 385
Jon Huntsman: 69
Thad McCotter: 35