present moment but going back decades particularly to joe biden's support of the 1994 crime bill, these are dated conversations. they're tough conversations to be had. particularly kamala harris and cory booker, the two african-american candidates in this race, have used the issue to draw their contrasts in this race with the former vice president. i want you to hear from cory booker, earlier this morning. >> it's enough to show up in our communities today with a promise of a better tomorrow. what were you doing five, ten, 15, or 20 years ago to fight for racial justice? don't just tell us you're gonna be a champion for our communities when you become president if you haven't been a champion already. >> reporter: as you heard job there yesterday over in detroit, he suggested that cory booker was wrong in his evaluation of the former vice president's record. the deputy campaign manager for the biden campaign put out a statement calling the attacks by booker absurd, went on to call