vested interest in what bernie sanders brings to us in this election. >> michael brown, sandra bland, and my father, eric garner. >> they are not just trending topics. these are mothers and fathers, sons and daughters. >> bernie sanders sees all of me. he sees all of you. he sees us as a whole people, as a whole country. >> i'm bernie sanders and i approve this message. david: alex, will that have a major impact on this race?