labor built this country and that the people who work the hardest should share in the rewards of the corporate gains. and i think that that's what everyone should be talking abou about. >> vice president biden said something in iowa that caught our ear about the fight against cancer. let me play this for everyone. >> i promise you, if i'm elected president, you're going to see the single most important thing, change in america is we're going to cure cancer. >> congressman, we know, i know how personal this is to joe biden. we know how much energy and time he has put into fighting cancer with the biden cancer initiative. with that phrase, we're going to cure cancer, how can he promise that, though? >> we're america. we made a promise to go to the