DES MOINES — A new survey from pollster Scott Rasmussen shows support for Newt Gingrich in Iowa has fallen sharply in recent days.  The poll shows the former House speaker with the support of 20 percent of likely Republican caucus-goers — down from 32 percent in the last Rasmussen survey released November 15.

Gingrich has now fallen into second place in the Iowa race, behind Mitt Romney, who is at 23 percent, up from 19 percent in the last Rasmussen survey.