56% of younger voters want someone who shares their positions. 41% say they want somebody who can beat trump. what you see here of course is this is biden territory, the 45 plus. this is more warren territory, sanders territory, the young voters. so you can see the difference of the electability argument you're saying that is clearly present in joe biden's new ad in iowa, guys. >> very interesting, david. stay with us. we want to bring in alex burns and kiersten powers, cnn political analyst and usa today columnist. alex, joe biden is waking up in a very good mood this morning. i mean, he's running for president obviously before. i don't think he's ever broken double digits and the idea that's nothing that's happened in the debates, the hit he took from kamala harris, none of his verbal missteps, heads only been climbing in the polls.