warren's lead only 40 percentage points so biden, that 63-point lead under those who have an unfavorable view of both is a big, big deal. >> the margin trump won by actually seems to have come or can be attributed to folks who walked into the ballot booth saying i don't like hillary clinton or donald trump. donald trump won them handily. it seems the trump campaign strategy is to drive down everyone's negatives, especially joe biden. that might account for their ukraine strategy. >> that is why this group is so important and biden's overwhelming edge with them is the reason he has a general election edge over the other democrats. >> they only hate biden a little bit. okay. that should be his new motto. >> you're saying there's a chance. >> another key reason biden is up versus the other democrats doing better. this is among dem and democratic leaning voters. liberals aren't liking biden too much in the primary but he's winning by 88 points in the general election over trump. that's close to sanders' 91