up the score board. and meanwhile ron desantis and nikki haley will try to come from behind with respectable numbers. but what does a big win or strong second actually look like in iowa and can either candidate actually do it? we asked the man who would know, harry enten digging into that data and the historical races. he is here with some answers. expectations for trump in iowa are sky high. if he doesn't hit them, i'm sure he will just change the expectations. but any doubt that he can meet where they currently sit? >> these are sky high expectations. look at these polls from december. 36 point lead. 34 point lead. 32 point lead. my goodness gracious, all three high quality pollsters. and they give you an understanding going back histo historically, these are the biggest below outs. 13 points, 11 points, the points. and trump leading by over 30 points. so can he meet the expectations? we'll have to wait and see. but the fact is no republican has ever come anywhere close.