MSNBC Live with José Díaz-Balart 01/26/16

Polls 'notoriously bad predictors' of race

Buzz is growing as the Iowa caucuses approach. David Yepsen, the director of Southern Illinois University's Paul Simon Public Policy Institute joins MSNBC's Jose Diaz-Balart to explain the caucus system, current poll standings and whether the figures can accurately predict the end game in an election. ... more Duration: {{video.duration.momentjs}}