trump 33, cruz 20. everyone else way down. don't trust des moines iowa regist register" poll and they are sponsoring this poll. this comes days before cruz and trump face off in las vegas at the next cnn debate. let's talk more more with erol louis. the des moines register i guess has characterized this as a big shake-up. is that what we are seeing here? >> i think it's a snapshot like every poll and this snapshot is a little different than everything we have seen. i think they are absolutely right. donald trump has boasted over and over again about how long he has been leading in the polls and by how much. now he gets a couple of polls he doesn't like and polls don't mean so much to him but they do mean something. what this suggests is that ted cruz has been diligently working