if they're being honest, looking at the field, they think elizabeth warren is the strongest natural talent on that stage. but they think that biden, because he can appeal to some of trump's voters, would be the toughest matchup head to head. >> thank you to the three of you for helping along our conversation at the end of another long week. annie karni, john allen, andrew desiderio, we greatly appreciate it. coming up for us, as we continue on this friday night, the mystery surrounding the case of andrew mccabe, former number two at the fbi. will he or won't he be indicted? later, the president searched for a fourth national security adviser as the job is vacant again. where does that leave us in terms of north korea, china, russia, iran? the taliban for starters, as the "the 11th hour" is just getting started on this friday night. ♪