Cory Booker: Polls have never been predictive
08:39Senator Cory Booker joins Katy Tur to talk making the debate stage, the black vote, and the trouble with campaign finance looking ahead to the upcoming Iowa caucuses.
Senator Cory Booker joins Katy Tur to talk making the debate stage, the black vote, and the trouble with campaign finance looking ahead to the upcoming Iowa caucuses.
