tech thing. look at this, the weebles. >> reporter: what's a weebles? >> imagine they're iowa republicans. >> reporter: cnn used its weebles to demonstrate how a caucus works. >> if you miss any of this you can see it on the daily show. >> they remind ds us of the cucumber can did i dates and psychic snail steven could he bare used to try to predict. >> who the winner is. >> reporter: cnn actually scooped everyone on caucus night when a couple of iowa republican officials named carolyn and edith saved the day. >> i added them up a couple times. oh, man. >> reporter: they explained a glitch that cleared up the mystery of some missing returns that put mitt romney over the top. >> these are the final numbers. >> what do you mean the numbers don't match? >> i'll explain it. >> reporter: by 3:30 in the morning caucus coverage was