In Iowa, attacks hurt Gingrich, open up GOP caucus race

Monday, December 19, 2011 | 5:08 p.m. CST; updated 9:21 p.m. CST, Monday, December 19, 2011

MANCHESTER, Iowa — More than $1 million in negative advertising — much of it bankrolled by Mitt Romney's allies — has eroded Newt Gingrich's standing in Iowa and thrown the Republican presidential race here wide open two weeks before the first votes.