in-person fund-raisers. when you have these big money donors, once they give you their $2800 check, they can't do it again. it's very hard to get more people to give you $2800 checks. obviously, other people have done it in the past. they're not thrilled with the fact they were beat by three other candidates in the last quarter for fund-raising. they're not very happy right now overall. their concern isn't that they're going to be dragged down immediately. their concern is it's giving people pause about joining the biden group, and biden's numbers may be essentially steady, but they're not growing and warren's are. >> what do you think, susan? what does biden need to do? >> biden, at this point, if he wants soosee some real shift in his numbers is probably use the next debate, next week, to show that he is going toe to toe with donald trump in a way that is persuasive to democratic primary voters. >> the guy who said he would take donald trump behind a gym? >> he has to do it and look presidential and handle himself in such a way that he's really able to say it is me, folks,