then you have got elizabeth w warr warren. it strikes me that all these are white candidates. >> there are -- there's a real desire to have a person of color obviously on the ticket. and my reporting of iowans seeing kamela harris there, people are excited about her in theory. they are waiting for it to become reality. corey booker has been all over the place. he has been in iowa, south caroli carolina, new hampshire last week. he's very, very actively in this fight, even though he's not eventually declared. he's done good work cult nating grass roots in all of these places. but people are still waiting to see if he's got the factor to make people excited and to unify around him which is the thing that beto has more than anyone else. >> the momentum matters. it does help you. jason johnson, the polling