arms around me and sobs and says i see daddy all the time. pop, you smell like daddy. you're not going to leave me, are you, pop? when that happens you go, i don't know, man. >> biden says the one thing that he will work on during his remaining months as vice president is pushing for more cancer research. the top u.s. democrats running for president spent this weekend trading barbs in the state of iowa. more than 6,000 people turned out for the big jefferson jackson dinner. the event is an early test to see who will win the most grass root support ahead of the iowa caucus caucuses. bernie sanders went first and was on the attack. >> and i pledge to you that every day i will fight for the public interest, not the corporate interest. i will not abanden any segment