is the swing among conservative and moderate democrats. 40% in june were supporting joe biden and 10% behind bernie sanders and then 10% at elizabeth warren and joe biden is now at 22% and look at how much support has ticked up for bernie sanders and elizabeth warren. conservative and moderate democrats, what do you attribute the shift to. >> the sample size of the poll was small so we might be looking at an outlier but the trends are similar in terms of other polls in terms of the rise of warren and bernie sanders and they're pulling at each other's support. joe biden's support among some demographics is strong, it is soft among others. and they are shopping and looking at other candidates and see who might better represent them. one thing that elizabeth warren has going for her and sanders struggles is she explains her policies well so people could understand them. >> is that a plan. >> she's got a plan. she has that down. but she's good on the stump and