Cain is now at 8 percent among likely Republican caucusgoers, The Des Moines Register’s new Iowa Poll shows. That’s down from 23 percent in late October.

The former Godfather’s Pizza CEO is to huddle with his family late today as he reassesses his bid for the White House…

Poll respondents contacted by the Register on Thursday said the major drawback is that Cain doesn’t have a handle on important issues. But having five women essentially call him a liar isn’t helping, they said.

The new poll shows 27 percent of likely caucusgoers think he’s the “least knowledgeable” of the 2012 field, topping all candidates in that category.