donald trump. you describe his mailing list as a political death star. how potent is a list like that for a candidate like tom steyer? >> we use that term in a piece we wrote early last year. and democratic strategists were already saying this is among the biggest email list that's been amassed in democratic politics. that's obviously tremendously powerful for fund-raising, small-dollar fund raising if he wants to make it on a debate stage. >> he doesn't need the money for the money. he needs the donors. you need something like 130,000 donors, even if it's 5 cents each, just to show up on that stage. >> he's been very adepts at building up a media platform. one of the democrats we talked to said he has been to trump in a sense what trump was to obama in the sense of channeling partisan opposition to one figure in particular in order to create a large base of support and he cornered that market of the impeachment guy. he's been the impeach guy for a