governor romney's going to have the people he had in 2008. i'm not sure that he's necessarily grown that number, which is why he's pretty well stuck between 25% and 27%, 28%. that may be enough to be successful. certainly, ron paul's got some very good numbers. and there has been movement toward santorum in the last several days. soรง it could be a very interesting tuesday. >> how do you see these undecided voters turn? what does turn an undecided voter in iowa? >> well, again, ed, when we're talking about republicans, i'm obviously not an expert in terms of republican politics. but i think a lot of it has to do with whether or not you have a passion and a feeling for a candidate, a relationship with a candidate, which is what will prompt you to come out on a cold night and spend a couple of hours with your neighbors at a caucus. it may very well be that some of these undecided folks just decide to stay home. they may not be able to choose among these various candidates. or they may. you may see some surprises on